Home / 2,591,623.80-3,887,435.70-908,897.40

Finding the Fourth Proportional to 2,591,623.80, 3,887,435.70 and 908,897.40

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Solution

The fourth proportional to 2,591,623.80, 3,887,435.70 and 908,897.40 is: 1,363,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,623.80 : 3,887,435.70 = 908,897.40 : x
  2. Step 2: Convert to fraction form
    2,591,623.80/3,887,435.70 = 908,897.40/x
  3. Step 3: Cross multiply
    2,591,623.80x = 3,887,435.70 × 908,897.40
  4. Step 4: Simplify right side
    2,591,623.80x = 3,533,280,200,397.18
  5. Step 5: Solve for x
    x = 3,533,280,200,397.18/2,591,623.80
  6. Step 6: Final answer
    x = 1,363,346.10

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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.