Home / 5,465,943.60-8,198,915.40-1,871,390.40

Finding the Fourth Proportional to 5,465,943.60, 8,198,915.40 and 1,871,390.40

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Solution

The fourth proportional to 5,465,943.60, 8,198,915.40 and 1,871,390.40 is: 2,807,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465,943.60 : 8,198,915.40 = 1,871,390.40 : x
  2. Step 2: Convert to fraction form
    5,465,943.60/8,198,915.40 = 1,871,390.40/x
  3. Step 3: Cross multiply
    5,465,943.60x = 8,198,915.40 × 1,871,390.40
  4. Step 4: Simplify right side
    5,465,943.60x = 15,343,371,569,972.16
  5. Step 5: Solve for x
    x = 15,343,371,569,972.16/5,465,943.60
  6. Step 6: Final answer
    x = 2,807,085.60

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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.