Home / 2,617,275.50-3,925,914.16-820,298.40

Finding the Fourth Proportional to 2,617,275.50, 3,925,914.16 and 820,298.40

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Solution

The fourth proportional to 2,617,275.50, 3,925,914.16 and 820,298.40 is: 1,230,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,275.50 : 3,925,914.16 = 820,298.40 : x
  2. Step 2: Convert to fraction form
    2,617,275.50/3,925,914.16 = 820,298.40/x
  3. Step 3: Cross multiply
    2,617,275.50x = 3,925,914.16 × 820,298.40
  4. Step 4: Simplify right side
    2,617,275.50x = 3,220,421,103,985.34
  5. Step 5: Solve for x
    x = 3,220,421,103,985.34/2,617,275.50
  6. Step 6: Final answer
    x = 1,230,447.89

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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.