Home / 2,885,179.76-3,981,547.68-1,578,442.40

Finding the Fourth Proportional to 2,885,179.76, 3,981,547.68 and 1,578,442.40

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Solution

The fourth proportional to 2,885,179.76, 3,981,547.68 and 1,578,442.40 is: 2,178,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,179.76 : 3,981,547.68 = 1,578,442.40 : x
  2. Step 2: Convert to fraction form
    2,885,179.76/3,981,547.68 = 1,578,442.40/x
  3. Step 3: Cross multiply
    2,885,179.76x = 3,981,547.68 × 1,578,442.40
  4. Step 4: Simplify right side
    2,885,179.76x = 6,284,643,675,733.63
  5. Step 5: Solve for x
    x = 6,284,643,675,733.63/2,885,179.76
  6. Step 6: Final answer
    x = 2,178,250.30

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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.