Home / 5,465,720.10-8,198,580.15-1,871,166.90

Finding the Fourth Proportional to 5,465,720.10, 8,198,580.15 and 1,871,166.90

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Solution

The fourth proportional to 5,465,720.10, 8,198,580.15 and 1,871,166.90 is: 2,806,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465,720.10 : 8,198,580.15 = 1,871,166.90 : x
  2. Step 2: Convert to fraction form
    5,465,720.10/8,198,580.15 = 1,871,166.90/x
  3. Step 3: Cross multiply
    5,465,720.10x = 8,198,580.15 × 1,871,166.90
  4. Step 4: Simplify right side
    5,465,720.10x = 15,340,911,803,677.04
  5. Step 5: Solve for x
    x = 15,340,911,803,677.04/5,465,720.10
  6. Step 6: Final answer
    x = 2,806,750.35

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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.