Home / 2,689,666.95-3,711,741.77-1,528,115.25

Finding the Fourth Proportional to 2,689,666.95, 3,711,741.77 and 1,528,115.25

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Solution

The fourth proportional to 2,689,666.95, 3,711,741.77 and 1,528,115.25 is: 2,108,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,666.95 : 3,711,741.77 = 1,528,115.25 : x
  2. Step 2: Convert to fraction form
    2,689,666.95/3,711,741.77 = 1,528,115.25/x
  3. Step 3: Cross multiply
    2,689,666.95x = 3,711,741.77 × 1,528,115.25
  4. Step 4: Simplify right side
    2,689,666.95x = 5,671,969,220,538.31
  5. Step 5: Solve for x
    x = 5,671,969,220,538.31/2,689,666.95
  6. Step 6: Final answer
    x = 2,108,799.84

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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.