Finding the Fourth Proportional to 3,442,426.80, 4,750,522.70 and 1,893,655.14
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Solution
The fourth proportional to 3,442,426.80, 4,750,522.70 and 1,893,655.14 is: 2,613,229.63
Step by Step Solution
- Step 1: Write the proportion equation
3,442,426.80 : 4,750,522.70 = 1,893,655.14 : x - Step 2: Convert to fraction form
3,442,426.80/4,750,522.70 = 1,893,655.14/x - Step 3: Cross multiply
3,442,426.80x = 4,750,522.70 × 1,893,655.14 - Step 4: Simplify right side
3,442,426.80x = 8,995,851,719,073.40 - Step 5: Solve for x
x = 8,995,851,719,073.40/3,442,426.80 - Step 6: Final answer
x = 2,613,229.63
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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.