Home / 2,646,385.04-3,970,242.84-849,429.20

Finding the Fourth Proportional to 2,646,385.04, 3,970,242.84 and 849,429.20

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Solution

The fourth proportional to 2,646,385.04, 3,970,242.84 and 849,429.20 is: 1,274,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,385.04 : 3,970,242.84 = 849,429.20 : x
  2. Step 2: Convert to fraction form
    2,646,385.04/3,970,242.84 = 849,429.20/x
  3. Step 3: Cross multiply
    2,646,385.04x = 3,970,242.84 × 849,429.20
  4. Step 4: Simplify right side
    2,646,385.04x = 3,372,440,199,386.93
  5. Step 5: Solve for x
    x = 3,372,440,199,386.93/2,646,385.04
  6. Step 6: Final answer
    x = 1,274,357.34

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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.