Home / 5,338,528.76-7,367,130.40-2,891,083.03

Finding the Fourth Proportional to 5,338,528.76, 7,367,130.40 and 2,891,083.03

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Solution

The fourth proportional to 5,338,528.76, 7,367,130.40 and 2,891,083.03 is: 3,989,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,528.76 : 7,367,130.40 = 2,891,083.03 : x
  2. Step 2: Convert to fraction form
    5,338,528.76/7,367,130.40 = 2,891,083.03/x
  3. Step 3: Cross multiply
    5,338,528.76x = 7,367,130.40 × 2,891,083.03
  4. Step 4: Simplify right side
    5,338,528.76x = 21,298,985,679,237.11
  5. Step 5: Solve for x
    x = 21,298,985,679,237.11/5,338,528.76
  6. Step 6: Final answer
    x = 3,989,673.30

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Double scale
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1.5x scale

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.