Home / 5,013,986.92-7,520,018.46-1,418,885.80

Finding the Fourth Proportional to 5,013,986.92, 7,520,018.46 and 1,418,885.80

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Solution

The fourth proportional to 5,013,986.92, 7,520,018.46 and 1,418,885.80 is: 2,128,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013,986.92 : 7,520,018.46 = 1,418,885.80 : x
  2. Step 2: Convert to fraction form
    5,013,986.92/7,520,018.46 = 1,418,885.80/x
  3. Step 3: Cross multiply
    5,013,986.92x = 7,520,018.46 × 1,418,885.80
  4. Step 4: Simplify right side
    5,013,986.92x = 10,670,047,408,631.87
  5. Step 5: Solve for x
    x = 10,670,047,408,631.87/5,013,986.92
  6. Step 6: Final answer
    x = 2,128,056.49

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1.5x scale

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.