Home / 2,547,919.20-3,516,023.08-1,386,370.32

Finding the Fourth Proportional to 2,547,919.20, 3,516,023.08 and 1,386,370.32

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Solution

The fourth proportional to 2,547,919.20, 3,516,023.08 and 1,386,370.32 is: 1,913,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547,919.20 : 3,516,023.08 = 1,386,370.32 : x
  2. Step 2: Convert to fraction form
    2,547,919.20/3,516,023.08 = 1,386,370.32/x
  3. Step 3: Cross multiply
    2,547,919.20x = 3,516,023.08 × 1,386,370.32
  4. Step 4: Simplify right side
    2,547,919.20x = 4,874,510,042,546.99
  5. Step 5: Solve for x
    x = 4,874,510,042,546.99/2,547,919.20
  6. Step 6: Final answer
    x = 1,913,133.68

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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.