Home / 1,938,662.08-2,908,032-518,715.88

Finding the Fourth Proportional to 1,938,662.08, 2,908,032 and 518,715.88

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Solution

The fourth proportional to 1,938,662.08, 2,908,032 and 518,715.88 is: 778,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,662.08 : 2,908,032 = 518,715.88 : x
  2. Step 2: Convert to fraction form
    1,938,662.08/2,908,032 = 518,715.88/x
  3. Step 3: Cross multiply
    1,938,662.08x = 2,908,032 × 518,715.88
  4. Step 4: Simplify right side
    1,938,662.08x = 1,508,442,377,948.16
  5. Step 5: Solve for x
    x = 1,508,442,377,948.16/1,938,662.08
  6. Step 6: Final answer
    x = 778,084.22

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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.