Home / 1,938,671.08-2,908,045.50-518,724.88

Finding the Fourth Proportional to 1,938,671.08, 2,908,045.50 and 518,724.88

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Solution

The fourth proportional to 1,938,671.08, 2,908,045.50 and 518,724.88 is: 778,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,671.08 : 2,908,045.50 = 518,724.88 : x
  2. Step 2: Convert to fraction form
    1,938,671.08/2,908,045.50 = 518,724.88/x
  3. Step 3: Cross multiply
    1,938,671.08x = 2,908,045.50 × 518,724.88
  4. Step 4: Simplify right side
    1,938,671.08x = 1,508,475,553,022.04
  5. Step 5: Solve for x
    x = 1,508,475,553,022.04/1,938,671.08
  6. Step 6: Final answer
    x = 778,097.72

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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.