Home / 3,621,001.20-5,428,045.80-1,345,916.40

Finding the Fourth Proportional to 3,621,001.20, 5,428,045.80 and 1,345,916.40

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Solution

The fourth proportional to 3,621,001.20, 5,428,045.80 and 1,345,916.40 is: 2,017,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,001.20 : 5,428,045.80 = 1,345,916.40 : x
  2. Step 2: Convert to fraction form
    3,621,001.20/5,428,045.80 = 1,345,916.40/x
  3. Step 3: Cross multiply
    3,621,001.20x = 5,428,045.80 × 1,345,916.40
  4. Step 4: Simplify right side
    3,621,001.20x = 7,305,695,862,171.12
  5. Step 5: Solve for x
    x = 7,305,695,862,171.12/3,621,001.20
  6. Step 6: Final answer
    x = 2,017,590.01

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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.