Home / 2,680,031.80-4,020,047.70-907,103.80

Finding the Fourth Proportional to 2,680,031.80, 4,020,047.70 and 907,103.80

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Solution

The fourth proportional to 2,680,031.80, 4,020,047.70 and 907,103.80 is: 1,360,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,031.80 : 4,020,047.70 = 907,103.80 : x
  2. Step 2: Convert to fraction form
    2,680,031.80/4,020,047.70 = 907,103.80/x
  3. Step 3: Cross multiply
    2,680,031.80x = 4,020,047.70 × 907,103.80
  4. Step 4: Simplify right side
    2,680,031.80x = 3,646,600,544,851.26
  5. Step 5: Solve for x
    x = 3,646,600,544,851.26/2,680,031.80
  6. Step 6: Final answer
    x = 1,360,655.70

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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.