Home / 3,639,605.40-5,457,439.80-1,509,904.80

Finding the Fourth Proportional to 3,639,605.40, 5,457,439.80 and 1,509,904.80

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Solution

The fourth proportional to 3,639,605.40, 5,457,439.80 and 1,509,904.80 is: 2,264,040.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,605.40 : 5,457,439.80 = 1,509,904.80 : x
  2. Step 2: Convert to fraction form
    3,639,605.40/5,457,439.80 = 1,509,904.80/x
  3. Step 3: Cross multiply
    3,639,605.40x = 5,457,439.80 × 1,509,904.80
  4. Step 4: Simplify right side
    3,639,605.40x = 8,240,214,549,731.04
  5. Step 5: Solve for x
    x = 8,240,214,549,731.04/3,639,605.40
  6. Step 6: Final answer
    x = 2,264,040.64

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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.