Home / 2,153,374.25-2,971,865.81-1,608,564.15

Finding the Fourth Proportional to 2,153,374.25, 2,971,865.81 and 1,608,564.15

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Solution

The fourth proportional to 2,153,374.25, 2,971,865.81 and 1,608,564.15 is: 2,219,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,374.25 : 2,971,865.81 = 1,608,564.15 : x
  2. Step 2: Convert to fraction form
    2,153,374.25/2,971,865.81 = 1,608,564.15/x
  3. Step 3: Cross multiply
    2,153,374.25x = 2,971,865.81 × 1,608,564.15
  4. Step 4: Simplify right side
    2,153,374.25x = 4,780,436,804,598.12
  5. Step 5: Solve for x
    x = 4,780,436,804,598.12/2,153,374.25
  6. Step 6: Final answer
    x = 2,219,974.91

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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.