Home / 3,290,265.60-4,539,571.20-1,931,366.40

Finding the Fourth Proportional to 3,290,265.60, 4,539,571.20 and 1,931,366.40

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Solution

The fourth proportional to 3,290,265.60, 4,539,571.20 and 1,931,366.40 is: 2,664,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,265.60 : 4,539,571.20 = 1,931,366.40 : x
  2. Step 2: Convert to fraction form
    3,290,265.60/4,539,571.20 = 1,931,366.40/x
  3. Step 3: Cross multiply
    3,290,265.60x = 4,539,571.20 × 1,931,366.40
  4. Step 4: Simplify right side
    3,290,265.60x = 8,767,575,286,087.68
  5. Step 5: Solve for x
    x = 8,767,575,286,087.68/3,290,265.60
  6. Step 6: Final answer
    x = 2,664,701.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.