Finding the Fourth Proportional to 2,387,136.34, 3,294,290.19 and 1,299,439.18
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Solution
The fourth proportional to 2,387,136.34, 3,294,290.19 and 1,299,439.18 is: 1,793,248.95
Step by Step Solution
- Step 1: Write the proportion equation
2,387,136.34 : 3,294,290.19 = 1,299,439.18 : x - Step 2: Convert to fraction form
2,387,136.34/3,294,290.19 = 1,299,439.18/x - Step 3: Cross multiply
2,387,136.34x = 3,294,290.19 × 1,299,439.18 - Step 4: Simplify right side
2,387,136.34x = 4,280,729,743,175.64 - Step 5: Solve for x
x = 4,280,729,743,175.64/2,387,136.34 - Step 6: Final answer
x = 1,793,248.95
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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.