Home / 3,828,139.20-5,738,947.20-1,697,061.60

Finding the Fourth Proportional to 3,828,139.20, 5,738,947.20 and 1,697,061.60

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Solution

The fourth proportional to 3,828,139.20, 5,738,947.20 and 1,697,061.60 is: 2,544,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,139.20 : 5,738,947.20 = 1,697,061.60 : x
  2. Step 2: Convert to fraction form
    3,828,139.20/5,738,947.20 = 1,697,061.60/x
  3. Step 3: Cross multiply
    3,828,139.20x = 5,738,947.20 × 1,697,061.60
  4. Step 4: Simplify right side
    3,828,139.20x = 9,739,346,917,547.52
  5. Step 5: Solve for x
    x = 9,739,346,917,547.52/3,828,139.20
  6. Step 6: Final answer
    x = 2,544,146.49

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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.