Finding the Fourth Proportional to 2,386,991.97, 3,294,118.98 and 1,299,334.50
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Solution
The fourth proportional to 2,386,991.97, 3,294,118.98 and 1,299,334.50 is: 1,793,119.75
Step by Step Solution
- Step 1: Write the proportion equation
2,386,991.97 : 3,294,118.98 = 1,299,334.50 : x - Step 2: Convert to fraction form
2,386,991.97/3,294,118.98 = 1,299,334.50/x - Step 3: Cross multiply
2,386,991.97x = 3,294,118.98 × 1,299,334.50 - Step 4: Simplify right side
2,386,991.97x = 4,280,162,437,818.81 - Step 5: Solve for x
x = 4,280,162,437,818.81/2,386,991.97 - Step 6: Final answer
x = 1,793,119.75
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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.