Home / 2,255,820-3,113,055.72-1,223,329.74

Finding the Fourth Proportional to 2,255,820, 3,113,055.72 and 1,223,329.74

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Solution

The fourth proportional to 2,255,820, 3,113,055.72 and 1,223,329.74 is: 1,688,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,820 : 3,113,055.72 = 1,223,329.74 : x
  2. Step 2: Convert to fraction form
    2,255,820/3,113,055.72 = 1,223,329.74/x
  3. Step 3: Cross multiply
    2,255,820x = 3,113,055.72 × 1,223,329.74
  4. Step 4: Simplify right side
    2,255,820x = 3,808,293,644,553.11
  5. Step 5: Solve for x
    x = 3,808,293,644,553.11/2,255,820
  6. Step 6: Final answer
    x = 1,688,208.12

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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.