Home / 2,255,812.18-3,113,044.77-1,223,321.98

Finding the Fourth Proportional to 2,255,812.18, 3,113,044.77 and 1,223,321.98

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Solution

The fourth proportional to 2,255,812.18, 3,113,044.77 and 1,223,321.98 is: 1,688,197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,812.18 : 3,113,044.77 = 1,223,321.98 : x
  2. Step 2: Convert to fraction form
    2,255,812.18/3,113,044.77 = 1,223,321.98/x
  3. Step 3: Cross multiply
    2,255,812.18x = 3,113,044.77 × 1,223,321.98
  4. Step 4: Simplify right side
    2,255,812.18x = 3,808,256,091,865.04
  5. Step 5: Solve for x
    x = 3,808,256,091,865.04/2,255,812.18
  6. Step 6: Final answer
    x = 1,688,197.33

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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.