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Finding the Fourth Proportional to 4,999,223.76, 6,899,055.12 and 3,066,550.08

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Solution

The fourth proportional to 4,999,223.76, 6,899,055.12 and 3,066,550.08 is: 4,231,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999,223.76 : 6,899,055.12 = 3,066,550.08 : x
  2. Step 2: Convert to fraction form
    4,999,223.76/6,899,055.12 = 3,066,550.08/x
  3. Step 3: Cross multiply
    4,999,223.76x = 6,899,055.12 × 3,066,550.08
  4. Step 4: Simplify right side
    4,999,223.76x = 21,156,298,030,160.41
  5. Step 5: Solve for x
    x = 21,156,298,030,160.41/4,999,223.76
  6. Step 6: Final answer
    x = 4,231,916.60

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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.