Home / 3,884,987.40-5,824,370.70-1,639,278.60

Finding the Fourth Proportional to 3,884,987.40, 5,824,370.70 and 1,639,278.60

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Solution

The fourth proportional to 3,884,987.40, 5,824,370.70 and 1,639,278.60 is: 2,457,605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884,987.40 : 5,824,370.70 = 1,639,278.60 : x
  2. Step 2: Convert to fraction form
    3,884,987.40/5,824,370.70 = 1,639,278.60/x
  3. Step 3: Cross multiply
    3,884,987.40x = 5,824,370.70 × 1,639,278.60
  4. Step 4: Simplify right side
    3,884,987.40x = 9,547,766,246,977.02
  5. Step 5: Solve for x
    x = 9,547,766,246,977.02/3,884,987.40
  6. Step 6: Final answer
    x = 2,457,605.46

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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.