Home / 6,838,389.60-9,434,012.40-4,120,591.20

Finding the Fourth Proportional to 6,838,389.60, 9,434,012.40 and 4,120,591.20

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Solution

The fourth proportional to 6,838,389.60, 9,434,012.40 and 4,120,591.20 is: 5,684,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838,389.60 : 9,434,012.40 = 4,120,591.20 : x
  2. Step 2: Convert to fraction form
    6,838,389.60/9,434,012.40 = 4,120,591.20/x
  3. Step 3: Cross multiply
    6,838,389.60x = 9,434,012.40 × 4,120,591.20
  4. Step 4: Simplify right side
    6,838,389.60x = 38,873,708,476,130.88
  5. Step 5: Solve for x
    x = 38,873,708,476,130.88/6,838,389.60
  6. Step 6: Final answer
    x = 5,684,629.09

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1.5x scale

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.