Home / 2,186,865.45-3,017,875.63-1,219,995.74

Finding the Fourth Proportional to 2,186,865.45, 3,017,875.63 and 1,219,995.74

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Solution

The fourth proportional to 2,186,865.45, 3,017,875.63 and 1,219,995.74 is: 1,683,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,865.45 : 3,017,875.63 = 1,219,995.74 : x
  2. Step 2: Convert to fraction form
    2,186,865.45/3,017,875.63 = 1,219,995.74/x
  3. Step 3: Cross multiply
    2,186,865.45x = 3,017,875.63 × 1,219,995.74
  4. Step 4: Simplify right side
    2,186,865.45x = 3,681,795,412,449.82
  5. Step 5: Solve for x
    x = 3,681,795,412,449.82/2,186,865.45
  6. Step 6: Final answer
    x = 1,683,594.85

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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.