Home / 2,680,514.40-4,020,771.60-1,187,522.40

Finding the Fourth Proportional to 2,680,514.40, 4,020,771.60 and 1,187,522.40

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Solution

The fourth proportional to 2,680,514.40, 4,020,771.60 and 1,187,522.40 is: 1,781,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,514.40 : 4,020,771.60 = 1,187,522.40 : x
  2. Step 2: Convert to fraction form
    2,680,514.40/4,020,771.60 = 1,187,522.40/x
  3. Step 3: Cross multiply
    2,680,514.40x = 4,020,771.60 × 1,187,522.40
  4. Step 4: Simplify right side
    2,680,514.40x = 4,774,756,340,283.84
  5. Step 5: Solve for x
    x = 4,774,756,340,283.84/2,680,514.40
  6. Step 6: Final answer
    x = 1,781,283.60

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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.