Home / 3,120,345.60-4,681,036.80-1,227,148.80

Finding the Fourth Proportional to 3,120,345.60, 4,681,036.80 and 1,227,148.80

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Solution

The fourth proportional to 3,120,345.60, 4,681,036.80 and 1,227,148.80 is: 1,840,927.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,345.60 : 4,681,036.80 = 1,227,148.80 : x
  2. Step 2: Convert to fraction form
    3,120,345.60/4,681,036.80 = 1,227,148.80/x
  3. Step 3: Cross multiply
    3,120,345.60x = 4,681,036.80 × 1,227,148.80
  4. Step 4: Simplify right side
    3,120,345.60x = 5,744,328,691,875.84
  5. Step 5: Solve for x
    x = 5,744,328,691,875.84/3,120,345.60
  6. Step 6: Final answer
    x = 1,840,927.07

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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.