Home / 2,646,947.28-3,970,421.28-652,403.28

Finding the Fourth Proportional to 2,646,947.28, 3,970,421.28 and 652,403.28

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Solution

The fourth proportional to 2,646,947.28, 3,970,421.28 and 652,403.28 is: 978,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,947.28 : 3,970,421.28 = 652,403.28 : x
  2. Step 2: Convert to fraction form
    2,646,947.28/3,970,421.28 = 652,403.28/x
  3. Step 3: Cross multiply
    2,646,947.28x = 3,970,421.28 × 652,403.28
  4. Step 4: Simplify right side
    2,646,947.28x = 2,590,315,866,053.80
  5. Step 5: Solve for x
    x = 2,590,315,866,053.80/2,646,947.28
  6. Step 6: Final answer
    x = 978,605.01

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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.