Home / 6,445,686.40-9,668,529.60-1,957,379.20

Finding the Fourth Proportional to 6,445,686.40, 9,668,529.60 and 1,957,379.20

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Solution

The fourth proportional to 6,445,686.40, 9,668,529.60 and 1,957,379.20 is: 2,936,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445,686.40 : 9,668,529.60 = 1,957,379.20 : x
  2. Step 2: Convert to fraction form
    6,445,686.40/9,668,529.60 = 1,957,379.20/x
  3. Step 3: Cross multiply
    6,445,686.40x = 9,668,529.60 × 1,957,379.20
  4. Step 4: Simplify right side
    6,445,686.40x = 18,924,978,733,624.32
  5. Step 5: Solve for x
    x = 18,924,978,733,624.32/6,445,686.40
  6. Step 6: Final answer
    x = 2,936,068.80

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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.