Home / 2,166,617.04-2,989,929.64-1,199,747.28

Finding the Fourth Proportional to 2,166,617.04, 2,989,929.64 and 1,199,747.28

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Solution

The fourth proportional to 2,166,617.04, 2,989,929.64 and 1,199,747.28 is: 1,655,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,617.04 : 2,989,929.64 = 1,199,747.28 : x
  2. Step 2: Convert to fraction form
    2,166,617.04/2,989,929.64 = 1,199,747.28/x
  3. Step 3: Cross multiply
    2,166,617.04x = 2,989,929.64 × 1,199,747.28
  4. Step 4: Simplify right side
    2,166,617.04x = 3,587,159,952,981.38
  5. Step 5: Solve for x
    x = 3,587,159,952,981.38/2,166,617.04
  6. Step 6: Final answer
    x = 1,655,650.21

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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.