Home / 1,985,362.70-2,740,002.99-1,169,820.68

Finding the Fourth Proportional to 1,985,362.70, 2,740,002.99 and 1,169,820.68

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Solution

The fourth proportional to 1,985,362.70, 2,740,002.99 and 1,169,820.68 is: 1,614,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,362.70 : 2,740,002.99 = 1,169,820.68 : x
  2. Step 2: Convert to fraction form
    1,985,362.70/2,740,002.99 = 1,169,820.68/x
  3. Step 3: Cross multiply
    1,985,362.70x = 2,740,002.99 × 1,169,820.68
  4. Step 4: Simplify right side
    1,985,362.70x = 3,205,312,167,813.84
  5. Step 5: Solve for x
    x = 3,205,312,167,813.84/1,985,362.70
  6. Step 6: Final answer
    x = 1,614,471.84

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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.