Home / 5,978,051.32-8,249,892.78-3,400,103.20

Finding the Fourth Proportional to 5,978,051.32, 8,249,892.78 and 3,400,103.20

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Solution

The fourth proportional to 5,978,051.32, 8,249,892.78 and 3,400,103.20 is: 4,692,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,051.32 : 8,249,892.78 = 3,400,103.20 : x
  2. Step 2: Convert to fraction form
    5,978,051.32/8,249,892.78 = 3,400,103.20/x
  3. Step 3: Cross multiply
    5,978,051.32x = 8,249,892.78 × 3,400,103.20
  4. Step 4: Simplify right side
    5,978,051.32x = 28,050,486,840,934.90
  5. Step 5: Solve for x
    x = 28,050,486,840,934.90/5,978,051.32
  6. Step 6: Final answer
    x = 4,692,245.91

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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.