Home / 1,938,661.08-2,908,030.50-518,714.88

Finding the Fourth Proportional to 1,938,661.08, 2,908,030.50 and 518,714.88

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Solution

The fourth proportional to 1,938,661.08, 2,908,030.50 and 518,714.88 is: 778,082.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,661.08 : 2,908,030.50 = 518,714.88 : x
  2. Step 2: Convert to fraction form
    1,938,661.08/2,908,030.50 = 518,714.88/x
  3. Step 3: Cross multiply
    1,938,661.08x = 2,908,030.50 × 518,714.88
  4. Step 4: Simplify right side
    1,938,661.08x = 1,508,438,691,843.84
  5. Step 5: Solve for x
    x = 1,508,438,691,843.84/1,938,661.08
  6. Step 6: Final answer
    x = 778,082.72

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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.