Home / 1,661,036.40-2,487,407.40-1,097,017.20

Finding the Fourth Proportional to 1,661,036.40, 2,487,407.40 and 1,097,017.20

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Solution

The fourth proportional to 1,661,036.40, 2,487,407.40 and 1,097,017.20 is: 1,642,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,036.40 : 2,487,407.40 = 1,097,017.20 : x
  2. Step 2: Convert to fraction form
    1,661,036.40/2,487,407.40 = 1,097,017.20/x
  3. Step 3: Cross multiply
    1,661,036.40x = 2,487,407.40 × 1,097,017.20
  4. Step 4: Simplify right side
    1,661,036.40x = 2,728,728,701,207.28
  5. Step 5: Solve for x
    x = 2,728,728,701,207.28/1,661,036.40
  6. Step 6: Final answer
    x = 1,642,786.82

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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.