Home / 2,131,401.60-3,195,547.20-868,579.20

Finding the Fourth Proportional to 2,131,401.60, 3,195,547.20 and 868,579.20

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Solution

The fourth proportional to 2,131,401.60, 3,195,547.20 and 868,579.20 is: 1,302,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,401.60 : 3,195,547.20 = 868,579.20 : x
  2. Step 2: Convert to fraction form
    2,131,401.60/3,195,547.20 = 868,579.20/x
  3. Step 3: Cross multiply
    2,131,401.60x = 3,195,547.20 × 868,579.20
  4. Step 4: Simplify right side
    2,131,401.60x = 2,775,585,830,538.24
  5. Step 5: Solve for x
    x = 2,775,585,830,538.24/2,131,401.60
  6. Step 6: Final answer
    x = 1,302,235.03

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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.