Home / 3,420,047.40-5,127,173.73-1,499,503.11

Finding the Fourth Proportional to 3,420,047.40, 5,127,173.73 and 1,499,503.11

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Solution

The fourth proportional to 3,420,047.40, 5,127,173.73 and 1,499,503.11 is: 2,247,984.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,047.40 : 5,127,173.73 = 1,499,503.11 : x
  2. Step 2: Convert to fraction form
    3,420,047.40/5,127,173.73 = 1,499,503.11/x
  3. Step 3: Cross multiply
    3,420,047.40x = 5,127,173.73 × 1,499,503.11
  4. Step 4: Simplify right side
    3,420,047.40x = 7,688,212,953,645.30
  5. Step 5: Solve for x
    x = 7,688,212,953,645.30/3,420,047.40
  6. Step 6: Final answer
    x = 2,247,984.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.