Home / 1,869,551.20-2,805,201.60-972,006.40

Finding the Fourth Proportional to 1,869,551.20, 2,805,201.60 and 972,006.40

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Solution

The fourth proportional to 1,869,551.20, 2,805,201.60 and 972,006.40 is: 1,458,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,551.20 : 2,805,201.60 = 972,006.40 : x
  2. Step 2: Convert to fraction form
    1,869,551.20/2,805,201.60 = 972,006.40/x
  3. Step 3: Cross multiply
    1,869,551.20x = 2,805,201.60 × 972,006.40
  4. Step 4: Simplify right side
    1,869,551.20x = 2,726,673,908,490.24
  5. Step 5: Solve for x
    x = 2,726,673,908,490.24/1,869,551.20
  6. Step 6: Final answer
    x = 1,458,464.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.