Home / 2,154,776.25-2,973,614.13-1,187,941.14

Finding the Fourth Proportional to 2,154,776.25, 2,973,614.13 and 1,187,941.14

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Solution

The fourth proportional to 2,154,776.25, 2,973,614.13 and 1,187,941.14 is: 1,639,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,776.25 : 2,973,614.13 = 1,187,941.14 : x
  2. Step 2: Convert to fraction form
    2,154,776.25/2,973,614.13 = 1,187,941.14/x
  3. Step 3: Cross multiply
    2,154,776.25x = 2,973,614.13 × 1,187,941.14
  4. Step 4: Simplify right side
    2,154,776.25x = 3,532,478,559,512.31
  5. Step 5: Solve for x
    x = 3,532,478,559,512.31/2,154,776.25
  6. Step 6: Final answer
    x = 1,639,371.40

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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.