Home / 4,290,454.47-5,918,353.70-2,570,578.54

Finding the Fourth Proportional to 4,290,454.47, 5,918,353.70 and 2,570,578.54

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Solution

The fourth proportional to 4,290,454.47, 5,918,353.70 and 2,570,578.54 is: 3,545,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290,454.47 : 5,918,353.70 = 2,570,578.54 : x
  2. Step 2: Convert to fraction form
    4,290,454.47/5,918,353.70 = 2,570,578.54/x
  3. Step 3: Cross multiply
    4,290,454.47x = 5,918,353.70 × 2,570,578.54
  4. Step 4: Simplify right side
    4,290,454.47x = 15,213,592,985,700.82
  5. Step 5: Solve for x
    x = 15,213,592,985,700.82/4,290,454.47
  6. Step 6: Final answer
    x = 3,545,916.42

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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.