Home / 3,744,009.20-5,616,013.80-1,219,631.60

Finding the Fourth Proportional to 3,744,009.20, 5,616,013.80 and 1,219,631.60

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Solution

The fourth proportional to 3,744,009.20, 5,616,013.80 and 1,219,631.60 is: 1,829,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744,009.20 : 5,616,013.80 = 1,219,631.60 : x
  2. Step 2: Convert to fraction form
    3,744,009.20/5,616,013.80 = 1,219,631.60/x
  3. Step 3: Cross multiply
    3,744,009.20x = 5,616,013.80 × 1,219,631.60
  4. Step 4: Simplify right side
    3,744,009.20x = 6,849,467,896,516.08
  5. Step 5: Solve for x
    x = 6,849,467,896,516.08/3,744,009.20
  6. Step 6: Final answer
    x = 1,829,447.40

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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.