Home / 2,142,178.84-3,191,003.65-2,026,152.17

Finding the Fourth Proportional to 2,142,178.84, 3,191,003.65 and 2,026,152.17

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Solution

The fourth proportional to 2,142,178.84, 3,191,003.65 and 2,026,152.17 is: 3,018,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,178.84 : 3,191,003.65 = 2,026,152.17 : x
  2. Step 2: Convert to fraction form
    2,142,178.84/3,191,003.65 = 2,026,152.17/x
  3. Step 3: Cross multiply
    2,142,178.84x = 3,191,003.65 × 2,026,152.17
  4. Step 4: Simplify right side
    2,142,178.84x = 6,465,458,969,925.42
  5. Step 5: Solve for x
    x = 6,465,458,969,925.42/2,142,178.84
  6. Step 6: Final answer
    x = 3,018,169.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.