Finding the Fourth Proportional to 1,687,883.68, 2,329,073.22 and 1,344,593.80
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Solution
The fourth proportional to 1,687,883.68, 2,329,073.22 and 1,344,593.80 is: 1,855,375.14
Step by Step Solution
- Step 1: Write the proportion equation
1,687,883.68 : 2,329,073.22 = 1,344,593.80 : x - Step 2: Convert to fraction form
1,687,883.68/2,329,073.22 = 1,344,593.80/x - Step 3: Cross multiply
1,687,883.68x = 2,329,073.22 × 1,344,593.80 - Step 4: Simplify right side
1,687,883.68x = 3,131,657,411,358.04 - Step 5: Solve for x
x = 3,131,657,411,358.04/1,687,883.68 - Step 6: Final answer
x = 1,855,375.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.