Home / 6,861,989.60-10,292,984.40-1,813,810.40

Finding the Fourth Proportional to 6,861,989.60, 10,292,984.40 and 1,813,810.40

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Solution

The fourth proportional to 6,861,989.60, 10,292,984.40 and 1,813,810.40 is: 2,720,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861,989.60 : 10,292,984.40 = 1,813,810.40 : x
  2. Step 2: Convert to fraction form
    6,861,989.60/10,292,984.40 = 1,813,810.40/x
  3. Step 3: Cross multiply
    6,861,989.60x = 10,292,984.40 × 1,813,810.40
  4. Step 4: Simplify right side
    6,861,989.60x = 18,669,522,151,757.76
  5. Step 5: Solve for x
    x = 18,669,522,151,757.76/6,861,989.60
  6. Step 6: Final answer
    x = 2,720,715.60

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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.