Home / 3,018,643.61-4,165,750.15-1,641,999.23

Finding the Fourth Proportional to 3,018,643.61, 4,165,750.15 and 1,641,999.23

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Solution

The fourth proportional to 3,018,643.61, 4,165,750.15 and 1,641,999.23 is: 2,265,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018,643.61 : 4,165,750.15 = 1,641,999.23 : x
  2. Step 2: Convert to fraction form
    3,018,643.61/4,165,750.15 = 1,641,999.23/x
  3. Step 3: Cross multiply
    3,018,643.61x = 4,165,750.15 × 1,641,999.23
  4. Step 4: Simplify right side
    3,018,643.61x = 6,840,158,529,360.20
  5. Step 5: Solve for x
    x = 6,840,158,529,360.20/3,018,643.61
  6. Step 6: Final answer
    x = 2,265,970.89

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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.