Home / 1,900,129.60-2,851,807.20-779,003.20

Finding the Fourth Proportional to 1,900,129.60, 2,851,807.20 and 779,003.20

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Solution

The fourth proportional to 1,900,129.60, 2,851,807.20 and 779,003.20 is: 1,169,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,129.60 : 2,851,807.20 = 779,003.20 : x
  2. Step 2: Convert to fraction form
    1,900,129.60/2,851,807.20 = 779,003.20/x
  3. Step 3: Cross multiply
    1,900,129.60x = 2,851,807.20 × 779,003.20
  4. Step 4: Simplify right side
    1,900,129.60x = 2,221,566,934,583.04
  5. Step 5: Solve for x
    x = 2,221,566,934,583.04/1,900,129.60
  6. Step 6: Final answer
    x = 1,169,166.01

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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.