Home / 1,579,079.20-2,368,618.80-1,448,442.40

Finding the Fourth Proportional to 1,579,079.20, 2,368,618.80 and 1,448,442.40

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Solution

The fourth proportional to 1,579,079.20, 2,368,618.80 and 1,448,442.40 is: 2,172,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,079.20 : 2,368,618.80 = 1,448,442.40 : x
  2. Step 2: Convert to fraction form
    1,579,079.20/2,368,618.80 = 1,448,442.40/x
  3. Step 3: Cross multiply
    1,579,079.20x = 2,368,618.80 × 1,448,442.40
  4. Step 4: Simplify right side
    1,579,079.20x = 3,430,807,899,357.12
  5. Step 5: Solve for x
    x = 3,430,807,899,357.12/1,579,079.20
  6. Step 6: Final answer
    x = 2,172,663.60

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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.