Home / 5,207,223.20-7,812,001.20-2,012,064.80

Finding the Fourth Proportional to 5,207,223.20, 7,812,001.20 and 2,012,064.80

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Solution

The fourth proportional to 5,207,223.20, 7,812,001.20 and 2,012,064.80 is: 3,018,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207,223.20 : 7,812,001.20 = 2,012,064.80 : x
  2. Step 2: Convert to fraction form
    5,207,223.20/7,812,001.20 = 2,012,064.80/x
  3. Step 3: Cross multiply
    5,207,223.20x = 7,812,001.20 × 2,012,064.80
  4. Step 4: Simplify right side
    5,207,223.20x = 15,718,252,632,077.76
  5. Step 5: Solve for x
    x = 15,718,252,632,077.76/5,207,223.20
  6. Step 6: Final answer
    x = 3,018,547.90

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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.