Home / 2,938,838.40-4,407,998.40-808,732.80

Finding the Fourth Proportional to 2,938,838.40, 4,407,998.40 and 808,732.80

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Solution

The fourth proportional to 2,938,838.40, 4,407,998.40 and 808,732.80 is: 1,213,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,838.40 : 4,407,998.40 = 808,732.80 : x
  2. Step 2: Convert to fraction form
    2,938,838.40/4,407,998.40 = 808,732.80/x
  3. Step 3: Cross multiply
    2,938,838.40x = 4,407,998.40 × 808,732.80
  4. Step 4: Simplify right side
    2,938,838.40x = 3,564,892,888,427.52
  5. Step 5: Solve for x
    x = 3,564,892,888,427.52/2,938,838.40
  6. Step 6: Final answer
    x = 1,213,027.87

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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.