Home / 1,612,101.80-2,420,015.10-865,605.80

Finding the Fourth Proportional to 1,612,101.80, 2,420,015.10 and 865,605.80

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Solution

The fourth proportional to 1,612,101.80, 2,420,015.10 and 865,605.80 is: 1,299,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,101.80 : 2,420,015.10 = 865,605.80 : x
  2. Step 2: Convert to fraction form
    1,612,101.80/2,420,015.10 = 865,605.80/x
  3. Step 3: Cross multiply
    1,612,101.80x = 2,420,015.10 × 865,605.80
  4. Step 4: Simplify right side
    1,612,101.80x = 2,094,779,106,647.58
  5. Step 5: Solve for x
    x = 2,094,779,106,647.58/1,612,101.80
  6. Step 6: Final answer
    x = 1,299,408.70

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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.