Home / 1,929,841.20-2,663,499.76-1,070,678.24

Finding the Fourth Proportional to 1,929,841.20, 2,663,499.76 and 1,070,678.24

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Solution

The fourth proportional to 1,929,841.20, 2,663,499.76 and 1,070,678.24 is: 1,477,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,841.20 : 2,663,499.76 = 1,070,678.24 : x
  2. Step 2: Convert to fraction form
    1,929,841.20/2,663,499.76 = 1,070,678.24/x
  3. Step 3: Cross multiply
    1,929,841.20x = 2,663,499.76 × 1,070,678.24
  4. Step 4: Simplify right side
    1,929,841.20x = 2,851,751,235,277.22
  5. Step 5: Solve for x
    x = 2,851,751,235,277.22/1,929,841.20
  6. Step 6: Final answer
    x = 1,477,712.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.