Home / 2,316,667.20-3,475,346.40-820,641.60

Finding the Fourth Proportional to 2,316,667.20, 3,475,346.40 and 820,641.60

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Solution

The fourth proportional to 2,316,667.20, 3,475,346.40 and 820,641.60 is: 1,231,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316,667.20 : 3,475,346.40 = 820,641.60 : x
  2. Step 2: Convert to fraction form
    2,316,667.20/3,475,346.40 = 820,641.60/x
  3. Step 3: Cross multiply
    2,316,667.20x = 3,475,346.40 × 820,641.60
  4. Step 4: Simplify right side
    2,316,667.20x = 2,852,013,830,250.24
  5. Step 5: Solve for x
    x = 2,852,013,830,250.24/2,316,667.20
  6. Step 6: Final answer
    x = 1,231,084.82

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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.