Home / 2,219,774.16-3,063,296.40-1,201,178.90

Finding the Fourth Proportional to 2,219,774.16, 3,063,296.40 and 1,201,178.90

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Solution

The fourth proportional to 2,219,774.16, 3,063,296.40 and 1,201,178.90 is: 1,657,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,774.16 : 3,063,296.40 = 1,201,178.90 : x
  2. Step 2: Convert to fraction form
    2,219,774.16/3,063,296.40 = 1,201,178.90/x
  3. Step 3: Cross multiply
    2,219,774.16x = 3,063,296.40 × 1,201,178.90
  4. Step 4: Simplify right side
    2,219,774.16x = 3,679,567,000,125.96
  5. Step 5: Solve for x
    x = 3,679,567,000,125.96/2,219,774.16
  6. Step 6: Final answer
    x = 1,657,631.24

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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.