Home / 5,139,206.40-7,708,809.60-2,750,419.20

Finding the Fourth Proportional to 5,139,206.40, 7,708,809.60 and 2,750,419.20

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Solution

The fourth proportional to 5,139,206.40, 7,708,809.60 and 2,750,419.20 is: 4,125,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,206.40 : 7,708,809.60 = 2,750,419.20 : x
  2. Step 2: Convert to fraction form
    5,139,206.40/7,708,809.60 = 2,750,419.20/x
  3. Step 3: Cross multiply
    5,139,206.40x = 7,708,809.60 × 2,750,419.20
  4. Step 4: Simplify right side
    5,139,206.40x = 21,202,457,932,984.32
  5. Step 5: Solve for x
    x = 21,202,457,932,984.32/5,139,206.40
  6. Step 6: Final answer
    x = 4,125,628.80

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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.