Home / 5,429,348.78-7,490,678.37-3,074,225.25

Finding the Fourth Proportional to 5,429,348.78, 7,490,678.37 and 3,074,225.25

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Solution

The fourth proportional to 5,429,348.78, 7,490,678.37 and 3,074,225.25 is: 4,241,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,348.78 : 7,490,678.37 = 3,074,225.25 : x
  2. Step 2: Convert to fraction form
    5,429,348.78/7,490,678.37 = 3,074,225.25/x
  3. Step 3: Cross multiply
    5,429,348.78x = 7,490,678.37 × 3,074,225.25
  4. Step 4: Simplify right side
    5,429,348.78x = 23,028,032,601,244.54
  5. Step 5: Solve for x
    x = 23,028,032,601,244.54/5,429,348.78
  6. Step 6: Final answer
    x = 4,241,398.66

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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.