Home / 1,977,080.42-2,965,851.04-715,502.18

Finding the Fourth Proportional to 1,977,080.42, 2,965,851.04 and 715,502.18

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Solution

The fourth proportional to 1,977,080.42, 2,965,851.04 and 715,502.18 is: 1,073,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,080.42 : 2,965,851.04 = 715,502.18 : x
  2. Step 2: Convert to fraction form
    1,977,080.42/2,965,851.04 = 715,502.18/x
  3. Step 3: Cross multiply
    1,977,080.42x = 2,965,851.04 × 715,502.18
  4. Step 4: Simplify right side
    1,977,080.42x = 2,122,072,884,675.27
  5. Step 5: Solve for x
    x = 2,122,072,884,675.27/1,977,080.42
  6. Step 6: Final answer
    x = 1,073,336.66

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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.