Home / 3,119,017.20-4,675,026.60-1,321,594.80

Finding the Fourth Proportional to 3,119,017.20, 4,675,026.60 and 1,321,594.80

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Solution

The fourth proportional to 3,119,017.20, 4,675,026.60 and 1,321,594.80 is: 1,980,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,017.20 : 4,675,026.60 = 1,321,594.80 : x
  2. Step 2: Convert to fraction form
    3,119,017.20/4,675,026.60 = 1,321,594.80/x
  3. Step 3: Cross multiply
    3,119,017.20x = 4,675,026.60 × 1,321,594.80
  4. Step 4: Simplify right side
    3,119,017.20x = 6,178,490,844,421.68
  5. Step 5: Solve for x
    x = 6,178,490,844,421.68/3,119,017.20
  6. Step 6: Final answer
    x = 1,980,909.51

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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.