Home / 5,129,741.60-7,684,114.80-2,606,818.40

Finding the Fourth Proportional to 5,129,741.60, 7,684,114.80 and 2,606,818.40

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Solution

The fourth proportional to 5,129,741.60, 7,684,114.80 and 2,606,818.40 is: 3,904,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,741.60 : 7,684,114.80 = 2,606,818.40 : x
  2. Step 2: Convert to fraction form
    5,129,741.60/7,684,114.80 = 2,606,818.40/x
  3. Step 3: Cross multiply
    5,129,741.60x = 7,684,114.80 × 2,606,818.40
  4. Step 4: Simplify right side
    5,129,741.60x = 20,031,091,848,352.32
  5. Step 5: Solve for x
    x = 20,031,091,848,352.32/5,129,741.60
  6. Step 6: Final answer
    x = 3,904,892.96

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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.