Home / 2,254,545.28-3,111,208.14-1,287,655.57

Finding the Fourth Proportional to 2,254,545.28, 3,111,208.14 and 1,287,655.57

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Solution

The fourth proportional to 2,254,545.28, 3,111,208.14 and 1,287,655.57 is: 1,776,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254,545.28 : 3,111,208.14 = 1,287,655.57 : x
  2. Step 2: Convert to fraction form
    2,254,545.28/3,111,208.14 = 1,287,655.57/x
  3. Step 3: Cross multiply
    2,254,545.28x = 3,111,208.14 × 1,287,655.57
  4. Step 4: Simplify right side
    2,254,545.28x = 4,006,164,490,900.34
  5. Step 5: Solve for x
    x = 4,006,164,490,900.34/2,254,545.28
  6. Step 6: Final answer
    x = 1,776,927.94

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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.