Home / 5,437,907.64-7,504,140.78-2,990,511.12

Finding the Fourth Proportional to 5,437,907.64, 7,504,140.78 and 2,990,511.12

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Solution

The fourth proportional to 5,437,907.64, 7,504,140.78 and 2,990,511.12 is: 4,126,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437,907.64 : 7,504,140.78 = 2,990,511.12 : x
  2. Step 2: Convert to fraction form
    5,437,907.64/7,504,140.78 = 2,990,511.12/x
  3. Step 3: Cross multiply
    5,437,907.64x = 7,504,140.78 × 2,990,511.12
  4. Step 4: Simplify right side
    5,437,907.64x = 22,441,216,448,635.48
  5. Step 5: Solve for x
    x = 22,441,216,448,635.48/5,437,907.64
  6. Step 6: Final answer
    x = 4,126,810.89

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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.