Home / 2,153,614.99-2,972,008.61-1,186,779.88

Finding the Fourth Proportional to 2,153,614.99, 2,972,008.61 and 1,186,779.88

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Solution

The fourth proportional to 2,153,614.99, 2,972,008.61 and 1,186,779.88 is: 1,637,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,614.99 : 2,972,008.61 = 1,186,779.88 : x
  2. Step 2: Convert to fraction form
    2,153,614.99/2,972,008.61 = 1,186,779.88/x
  3. Step 3: Cross multiply
    2,153,614.99x = 2,972,008.61 × 1,186,779.88
  4. Step 4: Simplify right side
    2,153,614.99x = 3,527,120,022,083.17
  5. Step 5: Solve for x
    x = 3,527,120,022,083.17/2,153,614.99
  6. Step 6: Final answer
    x = 1,637,767.21

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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.