Home / 5,643,719.28-7,788,389.76-3,065,450.40

Finding the Fourth Proportional to 5,643,719.28, 7,788,389.76 and 3,065,450.40

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Solution

The fourth proportional to 5,643,719.28, 7,788,389.76 and 3,065,450.40 is: 4,230,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643,719.28 : 7,788,389.76 = 3,065,450.40 : x
  2. Step 2: Convert to fraction form
    5,643,719.28/7,788,389.76 = 3,065,450.40/x
  3. Step 3: Cross multiply
    5,643,719.28x = 7,788,389.76 × 3,065,450.40
  4. Step 4: Simplify right side
    5,643,719.28x = 23,874,922,505,147.90
  5. Step 5: Solve for x
    x = 23,874,922,505,147.90/5,643,719.28
  6. Step 6: Final answer
    x = 4,230,352.60

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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.