Home / 2,131,392.76-2,941,287.70-1,164,502.30

Finding the Fourth Proportional to 2,131,392.76, 2,941,287.70 and 1,164,502.30

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Solution

The fourth proportional to 2,131,392.76, 2,941,287.70 and 1,164,502.30 is: 1,606,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,392.76 : 2,941,287.70 = 1,164,502.30 : x
  2. Step 2: Convert to fraction form
    2,131,392.76/2,941,287.70 = 1,164,502.30/x
  3. Step 3: Cross multiply
    2,131,392.76x = 2,941,287.70 × 1,164,502.30
  4. Step 4: Simplify right side
    2,131,392.76x = 3,425,136,291,611.71
  5. Step 5: Solve for x
    x = 3,425,136,291,611.71/2,131,392.76
  6. Step 6: Final answer
    x = 1,606,994.43

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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.