Home / 2,103,407.02-3,153,849.36-1,021,789.65

Finding the Fourth Proportional to 2,103,407.02, 3,153,849.36 and 1,021,789.65

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Solution

The fourth proportional to 2,103,407.02, 3,153,849.36 and 1,021,789.65 is: 1,532,071.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,407.02 : 3,153,849.36 = 1,021,789.65 : x
  2. Step 2: Convert to fraction form
    2,103,407.02/3,153,849.36 = 1,021,789.65/x
  3. Step 3: Cross multiply
    2,103,407.02x = 3,153,849.36 × 1,021,789.65
  4. Step 4: Simplify right side
    2,103,407.02x = 3,222,570,633,707.12
  5. Step 5: Solve for x
    x = 3,222,570,633,707.12/2,103,407.02
  6. Step 6: Final answer
    x = 1,532,071.83

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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.