Home / 3,118,349.76-4,303,323.36-1,687,565.76

Finding the Fourth Proportional to 3,118,349.76, 4,303,323.36 and 1,687,565.76

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Solution

The fourth proportional to 3,118,349.76, 4,303,323.36 and 1,687,565.76 is: 2,328,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,349.76 : 4,303,323.36 = 1,687,565.76 : x
  2. Step 2: Convert to fraction form
    3,118,349.76/4,303,323.36 = 1,687,565.76/x
  3. Step 3: Cross multiply
    3,118,349.76x = 4,303,323.36 × 1,687,565.76
  4. Step 4: Simplify right side
    3,118,349.76x = 7,262,141,156,544.15
  5. Step 5: Solve for x
    x = 7,262,141,156,544.15/3,118,349.76
  6. Step 6: Final answer
    x = 2,328,841.12

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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.