Home / 2,196,035.40-3,289,905.90-1,127,440.20

Finding the Fourth Proportional to 2,196,035.40, 3,289,905.90 and 1,127,440.20

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Solution

The fourth proportional to 2,196,035.40, 3,289,905.90 and 1,127,440.20 is: 1,689,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,035.40 : 3,289,905.90 = 1,127,440.20 : x
  2. Step 2: Convert to fraction form
    2,196,035.40/3,289,905.90 = 1,127,440.20/x
  3. Step 3: Cross multiply
    2,196,035.40x = 3,289,905.90 × 1,127,440.20
  4. Step 4: Simplify right side
    2,196,035.40x = 3,709,172,165,877.18
  5. Step 5: Solve for x
    x = 3,709,172,165,877.18/2,196,035.40
  6. Step 6: Final answer
    x = 1,689,031.14

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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.