Home / 4,930,742.40-7,398,187.20-2,688,489.60

Finding the Fourth Proportional to 4,930,742.40, 7,398,187.20 and 2,688,489.60

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Solution

The fourth proportional to 4,930,742.40, 7,398,187.20 and 2,688,489.60 is: 4,033,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930,742.40 : 7,398,187.20 = 2,688,489.60 : x
  2. Step 2: Convert to fraction form
    4,930,742.40/7,398,187.20 = 2,688,489.60/x
  3. Step 3: Cross multiply
    4,930,742.40x = 7,398,187.20 × 2,688,489.60
  4. Step 4: Simplify right side
    4,930,742.40x = 19,889,949,346,053.12
  5. Step 5: Solve for x
    x = 19,889,949,346,053.12/4,930,742.40
  6. Step 6: Final answer
    x = 4,033,865.03

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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.