Home / 2,235,493.50-3,084,981.39-1,216,905.90

Finding the Fourth Proportional to 2,235,493.50, 3,084,981.39 and 1,216,905.90

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Solution

The fourth proportional to 2,235,493.50, 3,084,981.39 and 1,216,905.90 is: 1,679,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,493.50 : 3,084,981.39 = 1,216,905.90 : x
  2. Step 2: Convert to fraction form
    2,235,493.50/3,084,981.39 = 1,216,905.90/x
  3. Step 3: Cross multiply
    2,235,493.50x = 3,084,981.39 × 1,216,905.90
  4. Step 4: Simplify right side
    2,235,493.50x = 3,754,132,054,881.20
  5. Step 5: Solve for x
    x = 3,754,132,054,881.20/2,235,493.50
  6. Step 6: Final answer
    x = 1,679,330.34

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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.