Home / 3,808,511.16-5,712,742.08-968,598.78

Finding the Fourth Proportional to 3,808,511.16, 5,712,742.08 and 968,598.78

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Solution

The fourth proportional to 3,808,511.16, 5,712,742.08 and 968,598.78 is: 1,452,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808,511.16 : 5,712,742.08 = 968,598.78 : x
  2. Step 2: Convert to fraction form
    3,808,511.16/5,712,742.08 = 968,598.78/x
  3. Step 3: Cross multiply
    3,808,511.16x = 5,712,742.08 × 968,598.78
  4. Step 4: Simplify right side
    3,808,511.16x = 5,533,355,009,142.66
  5. Step 5: Solve for x
    x = 5,533,355,009,142.66/3,808,511.16
  6. Step 6: Final answer
    x = 1,452,891.90

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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.