Home / 4,581,255.40-6,871,883.10-4,319,981.80

Finding the Fourth Proportional to 4,581,255.40, 6,871,883.10 and 4,319,981.80

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Solution

The fourth proportional to 4,581,255.40, 6,871,883.10 and 4,319,981.80 is: 6,479,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581,255.40 : 6,871,883.10 = 4,319,981.80 : x
  2. Step 2: Convert to fraction form
    4,581,255.40/6,871,883.10 = 4,319,981.80/x
  3. Step 3: Cross multiply
    4,581,255.40x = 6,871,883.10 × 4,319,981.80
  4. Step 4: Simplify right side
    4,581,255.40x = 29,686,409,923,727.58
  5. Step 5: Solve for x
    x = 29,686,409,923,727.58/4,581,255.40
  6. Step 6: Final answer
    x = 6,479,972.70

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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.