Home / 1,845,958.47-2,547,407.86-1,071,661.15

Finding the Fourth Proportional to 1,845,958.47, 2,547,407.86 and 1,071,661.15

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Solution

The fourth proportional to 1,845,958.47, 2,547,407.86 and 1,071,661.15 is: 1,478,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,958.47 : 2,547,407.86 = 1,071,661.15 : x
  2. Step 2: Convert to fraction form
    1,845,958.47/2,547,407.86 = 1,071,661.15/x
  3. Step 3: Cross multiply
    1,845,958.47x = 2,547,407.86 × 1,071,661.15
  4. Step 4: Simplify right side
    1,845,958.47x = 2,729,958,036,766.64
  5. Step 5: Solve for x
    x = 2,729,958,036,766.64/1,845,958.47
  6. Step 6: Final answer
    x = 1,478,883.78

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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.