Home / 2,195,924.76-3,029,685.39-1,228,901.40

Finding the Fourth Proportional to 2,195,924.76, 3,029,685.39 and 1,228,901.40

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Solution

The fourth proportional to 2,195,924.76, 3,029,685.39 and 1,228,901.40 is: 1,695,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,924.76 : 3,029,685.39 = 1,228,901.40 : x
  2. Step 2: Convert to fraction form
    2,195,924.76/3,029,685.39 = 1,228,901.40/x
  3. Step 3: Cross multiply
    2,195,924.76x = 3,029,685.39 × 1,228,901.40
  4. Step 4: Simplify right side
    2,195,924.76x = 3,723,184,617,330.55
  5. Step 5: Solve for x
    x = 3,723,184,617,330.55/2,195,924.76
  6. Step 6: Final answer
    x = 1,695,497.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.