Home / 3,669,339.40-5,504,009.10-1,272,387.40

Finding the Fourth Proportional to 3,669,339.40, 5,504,009.10 and 1,272,387.40

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Solution

The fourth proportional to 3,669,339.40, 5,504,009.10 and 1,272,387.40 is: 1,908,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,339.40 : 5,504,009.10 = 1,272,387.40 : x
  2. Step 2: Convert to fraction form
    3,669,339.40/5,504,009.10 = 1,272,387.40/x
  3. Step 3: Cross multiply
    3,669,339.40x = 5,504,009.10 × 1,272,387.40
  4. Step 4: Simplify right side
    3,669,339.40x = 7,003,231,828,325.34
  5. Step 5: Solve for x
    x = 7,003,231,828,325.34/3,669,339.40
  6. Step 6: Final answer
    x = 1,908,581.10

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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.