Home / 2,992,907.90-4,490,025.84-862,825.79

Finding the Fourth Proportional to 2,992,907.90, 4,490,025.84 and 862,825.79

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Solution

The fourth proportional to 2,992,907.90, 4,490,025.84 and 862,825.79 is: 1,294,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,907.90 : 4,490,025.84 = 862,825.79 : x
  2. Step 2: Convert to fraction form
    2,992,907.90/4,490,025.84 = 862,825.79/x
  3. Step 3: Cross multiply
    2,992,907.90x = 4,490,025.84 × 862,825.79
  4. Step 4: Simplify right side
    2,992,907.90x = 3,874,110,070,068.28
  5. Step 5: Solve for x
    x = 3,874,110,070,068.28/2,992,907.90
  6. Step 6: Final answer
    x = 1,294,430.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.