Home / 1,553,545.32-2,143,312.40-1,551,150.33

Finding the Fourth Proportional to 1,553,545.32, 2,143,312.40 and 1,551,150.33

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Solution

The fourth proportional to 1,553,545.32, 2,143,312.40 and 1,551,150.33 is: 2,140,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,545.32 : 2,143,312.40 = 1,551,150.33 : x
  2. Step 2: Convert to fraction form
    1,553,545.32/2,143,312.40 = 1,551,150.33/x
  3. Step 3: Cross multiply
    1,553,545.32x = 2,143,312.40 × 1,551,150.33
  4. Step 4: Simplify right side
    1,553,545.32x = 3,324,599,729,696.39
  5. Step 5: Solve for x
    x = 3,324,599,729,696.39/1,553,545.32
  6. Step 6: Final answer
    x = 2,140,008.20

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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.