Home / 4,581,874.80-6,871,062.60-1,385,938.80

Finding the Fourth Proportional to 4,581,874.80, 6,871,062.60 and 1,385,938.80

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Solution

The fourth proportional to 4,581,874.80, 6,871,062.60 and 1,385,938.80 is: 2,078,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581,874.80 : 6,871,062.60 = 1,385,938.80 : x
  2. Step 2: Convert to fraction form
    4,581,874.80/6,871,062.60 = 1,385,938.80/x
  3. Step 3: Cross multiply
    4,581,874.80x = 6,871,062.60 × 1,385,938.80
  4. Step 4: Simplify right side
    4,581,874.80x = 9,522,872,254,568.88
  5. Step 5: Solve for x
    x = 9,522,872,254,568.88/4,581,874.80
  6. Step 6: Final answer
    x = 2,078,378.98

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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.