Home / 3,208,478.80-4,812,541.08-1,078,342.96

Finding the Fourth Proportional to 3,208,478.80, 4,812,541.08 and 1,078,342.96

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Solution

The fourth proportional to 3,208,478.80, 4,812,541.08 and 1,078,342.96 is: 1,617,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,478.80 : 4,812,541.08 = 1,078,342.96 : x
  2. Step 2: Convert to fraction form
    3,208,478.80/4,812,541.08 = 1,078,342.96/x
  3. Step 3: Cross multiply
    3,208,478.80x = 4,812,541.08 × 1,078,342.96
  4. Step 4: Simplify right side
    3,208,478.80x = 5,189,569,793,328.80
  5. Step 5: Solve for x
    x = 5,189,569,793,328.80/3,208,478.80
  6. Step 6: Final answer
    x = 1,617,454.91

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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.