Home / 2,812,567.86-3,878,792.46-1,845,330.66

Finding the Fourth Proportional to 2,812,567.86, 3,878,792.46 and 1,845,330.66

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Solution

The fourth proportional to 2,812,567.86, 3,878,792.46 and 1,845,330.66 is: 2,544,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,567.86 : 3,878,792.46 = 1,845,330.66 : x
  2. Step 2: Convert to fraction form
    2,812,567.86/3,878,792.46 = 1,845,330.66/x
  3. Step 3: Cross multiply
    2,812,567.86x = 3,878,792.46 × 1,845,330.66
  4. Step 4: Simplify right side
    2,812,567.86x = 7,157,654,650,214.82
  5. Step 5: Solve for x
    x = 7,157,654,650,214.82/2,812,567.86
  6. Step 6: Final answer
    x = 2,544,882.47

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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.