Home / 2,390,805.32-3,299,312.55-1,358,314.89

Finding the Fourth Proportional to 2,390,805.32, 3,299,312.55 and 1,358,314.89

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Solution

The fourth proportional to 2,390,805.32, 3,299,312.55 and 1,358,314.89 is: 1,874,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,805.32 : 3,299,312.55 = 1,358,314.89 : x
  2. Step 2: Convert to fraction form
    2,390,805.32/3,299,312.55 = 1,358,314.89/x
  3. Step 3: Cross multiply
    2,390,805.32x = 3,299,312.55 × 1,358,314.89
  4. Step 4: Simplify right side
    2,390,805.32x = 4,481,505,363,428.87
  5. Step 5: Solve for x
    x = 4,481,505,363,428.87/2,390,805.32
  6. Step 6: Final answer
    x = 1,874,475.23

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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.