Home / 3,766,643.10-5,649,705.45-1,207,820.70

Finding the Fourth Proportional to 3,766,643.10, 5,649,705.45 and 1,207,820.70

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Solution

The fourth proportional to 3,766,643.10, 5,649,705.45 and 1,207,820.70 is: 1,811,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766,643.10 : 5,649,705.45 = 1,207,820.70 : x
  2. Step 2: Convert to fraction form
    3,766,643.10/5,649,705.45 = 1,207,820.70/x
  3. Step 3: Cross multiply
    3,766,643.10x = 5,649,705.45 × 1,207,820.70
  4. Step 4: Simplify right side
    3,766,643.10x = 6,823,831,191,412.82
  5. Step 5: Solve for x
    x = 6,823,831,191,412.82/3,766,643.10
  6. Step 6: Final answer
    x = 1,811,647.93

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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.