Home / 4,914,713.40-6,781,482.18-2,738,779.62

Finding the Fourth Proportional to 4,914,713.40, 6,781,482.18 and 2,738,779.62

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Solution

The fourth proportional to 4,914,713.40, 6,781,482.18 and 2,738,779.62 is: 3,779,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914,713.40 : 6,781,482.18 = 2,738,779.62 : x
  2. Step 2: Convert to fraction form
    4,914,713.40/6,781,482.18 = 2,738,779.62/x
  3. Step 3: Cross multiply
    4,914,713.40x = 6,781,482.18 × 2,738,779.62
  4. Step 4: Simplify right side
    4,914,713.40x = 18,572,985,187,977.17
  5. Step 5: Solve for x
    x = 18,572,985,187,977.17/4,914,713.40
  6. Step 6: Final answer
    x = 3,779,057.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.