Home / 2,680,013.80-4,020,020.70-907,085.80

Finding the Fourth Proportional to 2,680,013.80, 4,020,020.70 and 907,085.80

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Solution

The fourth proportional to 2,680,013.80, 4,020,020.70 and 907,085.80 is: 1,360,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,013.80 : 4,020,020.70 = 907,085.80 : x
  2. Step 2: Convert to fraction form
    2,680,013.80/4,020,020.70 = 907,085.80/x
  3. Step 3: Cross multiply
    2,680,013.80x = 4,020,020.70 × 907,085.80
  4. Step 4: Simplify right side
    2,680,013.80x = 3,646,503,692,676.06
  5. Step 5: Solve for x
    x = 3,646,503,692,676.06/2,680,013.80
  6. Step 6: Final answer
    x = 1,360,628.70

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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.