Home / 1,641,390-2,457,039.96-1,399,252.02

Finding the Fourth Proportional to 1,641,390, 2,457,039.96 and 1,399,252.02

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Solution

The fourth proportional to 1,641,390, 2,457,039.96 and 1,399,252.02 is: 2,094,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,390 : 2,457,039.96 = 1,399,252.02 : x
  2. Step 2: Convert to fraction form
    1,641,390/2,457,039.96 = 1,399,252.02/x
  3. Step 3: Cross multiply
    1,641,390x = 2,457,039.96 × 1,399,252.02
  4. Step 4: Simplify right side
    1,641,390x = 3,438,018,127,250.72
  5. Step 5: Solve for x
    x = 3,438,018,127,250.72/1,641,390
  6. Step 6: Final answer
    x = 2,094,577.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.