Home / 2,833,166.16-3,909,655.20-1,543,978.86

Finding the Fourth Proportional to 2,833,166.16, 3,909,655.20 and 1,543,978.86

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Solution

The fourth proportional to 2,833,166.16, 3,909,655.20 and 1,543,978.86 is: 2,130,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833,166.16 : 3,909,655.20 = 1,543,978.86 : x
  2. Step 2: Convert to fraction form
    2,833,166.16/3,909,655.20 = 1,543,978.86/x
  3. Step 3: Cross multiply
    2,833,166.16x = 3,909,655.20 × 1,543,978.86
  4. Step 4: Simplify right side
    2,833,166.16x = 6,036,424,978,689.07
  5. Step 5: Solve for x
    x = 6,036,424,978,689.07/2,833,166.16
  6. Step 6: Final answer
    x = 2,130,628.65

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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.