Home / 1,533,343.88-2,116,107.02-845,013.91

Finding the Fourth Proportional to 1,533,343.88, 2,116,107.02 and 845,013.91

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Solution

The fourth proportional to 1,533,343.88, 2,116,107.02 and 845,013.91 is: 1,166,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,343.88 : 2,116,107.02 = 845,013.91 : x
  2. Step 2: Convert to fraction form
    1,533,343.88/2,116,107.02 = 845,013.91/x
  3. Step 3: Cross multiply
    1,533,343.88x = 2,116,107.02 × 845,013.91
  4. Step 4: Simplify right side
    1,533,343.88x = 1,788,139,852,143.04
  5. Step 5: Solve for x
    x = 1,788,139,852,143.04/1,533,343.88
  6. Step 6: Final answer
    x = 1,166,170.15

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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.