Home / 3,208,920.87-4,428,317.07-1,758,670.14

Finding the Fourth Proportional to 3,208,920.87, 4,428,317.07 and 1,758,670.14

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Solution

The fourth proportional to 3,208,920.87, 4,428,317.07 and 1,758,670.14 is: 2,426,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,920.87 : 4,428,317.07 = 1,758,670.14 : x
  2. Step 2: Convert to fraction form
    3,208,920.87/4,428,317.07 = 1,758,670.14/x
  3. Step 3: Cross multiply
    3,208,920.87x = 4,428,317.07 × 1,758,670.14
  4. Step 4: Simplify right side
    3,208,920.87x = 7,787,949,001,461.29
  5. Step 5: Solve for x
    x = 7,787,949,001,461.29/3,208,920.87
  6. Step 6: Final answer
    x = 2,426,968.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.