Home / 3,180,567.68-4,770,829.62-1,287,281.78

Finding the Fourth Proportional to 3,180,567.68, 4,770,829.62 and 1,287,281.78

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Solution

The fourth proportional to 3,180,567.68, 4,770,829.62 and 1,287,281.78 is: 1,930,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,567.68 : 4,770,829.62 = 1,287,281.78 : x
  2. Step 2: Convert to fraction form
    3,180,567.68/4,770,829.62 = 1,287,281.78/x
  3. Step 3: Cross multiply
    3,180,567.68x = 4,770,829.62 × 1,287,281.78
  4. Step 4: Simplify right side
    3,180,567.68x = 6,141,402,021,456.18
  5. Step 5: Solve for x
    x = 6,141,402,021,456.18/3,180,567.68
  6. Step 6: Final answer
    x = 1,930,913.80

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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.