Home / 1,929,207.17-2,891,288.01-790,636.29

Finding the Fourth Proportional to 1,929,207.17, 2,891,288.01 and 790,636.29

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Solution

The fourth proportional to 1,929,207.17, 2,891,288.01 and 790,636.29 is: 1,184,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,207.17 : 2,891,288.01 = 790,636.29 : x
  2. Step 2: Convert to fraction form
    1,929,207.17/2,891,288.01 = 790,636.29/x
  3. Step 3: Cross multiply
    1,929,207.17x = 2,891,288.01 × 790,636.29
  4. Step 4: Simplify right side
    1,929,207.17x = 2,285,957,225,547.88
  5. Step 5: Solve for x
    x = 2,285,957,225,547.88/1,929,207.17
  6. Step 6: Final answer
    x = 1,184,920.56

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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.