Home / 3,120,444.60-4,680,666.90-1,776,751.80

Finding the Fourth Proportional to 3,120,444.60, 4,680,666.90 and 1,776,751.80

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Solution

The fourth proportional to 3,120,444.60, 4,680,666.90 and 1,776,751.80 is: 2,665,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,444.60 : 4,680,666.90 = 1,776,751.80 : x
  2. Step 2: Convert to fraction form
    3,120,444.60/4,680,666.90 = 1,776,751.80/x
  3. Step 3: Cross multiply
    3,120,444.60x = 4,680,666.90 × 1,776,751.80
  4. Step 4: Simplify right side
    3,120,444.60x = 8,316,383,339,775.42
  5. Step 5: Solve for x
    x = 8,316,383,339,775.42/3,120,444.60
  6. Step 6: Final answer
    x = 2,665,127.70

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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.