Home / 1,539,130.60-2,308,695.90-1,465,647.40

Finding the Fourth Proportional to 1,539,130.60, 2,308,695.90 and 1,465,647.40

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Solution

The fourth proportional to 1,539,130.60, 2,308,695.90 and 1,465,647.40 is: 2,198,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,130.60 : 2,308,695.90 = 1,465,647.40 : x
  2. Step 2: Convert to fraction form
    1,539,130.60/2,308,695.90 = 1,465,647.40/x
  3. Step 3: Cross multiply
    1,539,130.60x = 2,308,695.90 × 1,465,647.40
  4. Step 4: Simplify right side
    1,539,130.60x = 3,383,734,143,225.66
  5. Step 5: Solve for x
    x = 3,383,734,143,225.66/1,539,130.60
  6. Step 6: Final answer
    x = 2,198,471.10

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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.