Home / 2,175,191.61-3,001,680.93-1,208,382.67

Finding the Fourth Proportional to 2,175,191.61, 3,001,680.93 and 1,208,382.67

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Solution

The fourth proportional to 2,175,191.61, 3,001,680.93 and 1,208,382.67 is: 1,667,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,191.61 : 3,001,680.93 = 1,208,382.67 : x
  2. Step 2: Convert to fraction form
    2,175,191.61/3,001,680.93 = 1,208,382.67/x
  3. Step 3: Cross multiply
    2,175,191.61x = 3,001,680.93 × 1,208,382.67
  4. Step 4: Simplify right side
    2,175,191.61x = 3,627,179,216,681.48
  5. Step 5: Solve for x
    x = 3,627,179,216,681.48/2,175,191.61
  6. Step 6: Final answer
    x = 1,667,521.70

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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.