Home / 2,011,302.70-2,775,200.64-1,128,281.20

Finding the Fourth Proportional to 2,011,302.70, 2,775,200.64 and 1,128,281.20

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Solution

The fourth proportional to 2,011,302.70, 2,775,200.64 and 1,128,281.20 is: 1,556,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,302.70 : 2,775,200.64 = 1,128,281.20 : x
  2. Step 2: Convert to fraction form
    2,011,302.70/2,775,200.64 = 1,128,281.20/x
  3. Step 3: Cross multiply
    2,011,302.70x = 2,775,200.64 × 1,128,281.20
  4. Step 4: Simplify right side
    2,011,302.70x = 3,131,206,708,339.97
  5. Step 5: Solve for x
    x = 3,131,206,708,339.97/2,011,302.70
  6. Step 6: Final answer
    x = 1,556,805.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.