Home / 4,779,787.32-7,172,670.41-1,939,899.47

Finding the Fourth Proportional to 4,779,787.32, 7,172,670.41 and 1,939,899.47

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Solution

The fourth proportional to 4,779,787.32, 7,172,670.41 and 1,939,899.47 is: 2,911,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779,787.32 : 7,172,670.41 = 1,939,899.47 : x
  2. Step 2: Convert to fraction form
    4,779,787.32/7,172,670.41 = 1,939,899.47/x
  3. Step 3: Cross multiply
    4,779,787.32x = 7,172,670.41 × 1,939,899.47
  4. Step 4: Simplify right side
    4,779,787.32x = 13,914,259,481,280.83
  5. Step 5: Solve for x
    x = 13,914,259,481,280.83/4,779,787.32
  6. Step 6: Final answer
    x = 2,911,062.47

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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.