Home / 3,115,897.74-4,300,656.32-1,827,153.30

Finding the Fourth Proportional to 3,115,897.74, 4,300,656.32 and 1,827,153.30

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Solution

The fourth proportional to 3,115,897.74, 4,300,656.32 and 1,827,153.30 is: 2,521,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,897.74 : 4,300,656.32 = 1,827,153.30 : x
  2. Step 2: Convert to fraction form
    3,115,897.74/4,300,656.32 = 1,827,153.30/x
  3. Step 3: Cross multiply
    3,115,897.74x = 4,300,656.32 × 1,827,153.30
  4. Step 4: Simplify right side
    3,115,897.74x = 7,857,958,387,253.86
  5. Step 5: Solve for x
    x = 7,857,958,387,253.86/3,115,897.74
  6. Step 6: Final answer
    x = 2,521,892.26

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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.