Home / 2,689,278.73-4,033,909.72-842,931.25

Finding the Fourth Proportional to 2,689,278.73, 4,033,909.72 and 842,931.25

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Solution

The fourth proportional to 2,689,278.73, 4,033,909.72 and 842,931.25 is: 1,264,394.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,278.73 : 4,033,909.72 = 842,931.25 : x
  2. Step 2: Convert to fraction form
    2,689,278.73/4,033,909.72 = 842,931.25/x
  3. Step 3: Cross multiply
    2,689,278.73x = 4,033,909.72 × 842,931.25
  4. Step 4: Simplify right side
    2,689,278.73x = 3,400,308,562,666.75
  5. Step 5: Solve for x
    x = 3,400,308,562,666.75/2,689,278.73
  6. Step 6: Final answer
    x = 1,264,394.25

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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.