Home / 2,688,045.60-4,032,781.20-1,171,077.60

Finding the Fourth Proportional to 2,688,045.60, 4,032,781.20 and 1,171,077.60

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Solution

The fourth proportional to 2,688,045.60, 4,032,781.20 and 1,171,077.60 is: 1,756,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,045.60 : 4,032,781.20 = 1,171,077.60 : x
  2. Step 2: Convert to fraction form
    2,688,045.60/4,032,781.20 = 1,171,077.60/x
  3. Step 3: Cross multiply
    2,688,045.60x = 4,032,781.20 × 1,171,077.60
  4. Step 4: Simplify right side
    2,688,045.60x = 4,722,699,729,021.12
  5. Step 5: Solve for x
    x = 4,722,699,729,021.12/2,688,045.60
  6. Step 6: Final answer
    x = 1,756,926.94

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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.