Finding the Fourth Proportional to 5,013,716.02, 6,918,956.42 and 2,948,818.66
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Solution
The fourth proportional to 5,013,716.02, 6,918,956.42 and 2,948,818.66 is: 4,069,386.40
Step by Step Solution
- Step 1: Write the proportion equation
5,013,716.02 : 6,918,956.42 = 2,948,818.66 : x - Step 2: Convert to fraction form
5,013,716.02/6,918,956.42 = 2,948,818.66/x - Step 3: Cross multiply
5,013,716.02x = 6,918,956.42 × 2,948,818.66 - Step 4: Simplify right side
5,013,716.02x = 20,402,747,766,981.31 - Step 5: Solve for x
x = 20,402,747,766,981.31/5,013,716.02 - Step 6: Final answer
x = 4,069,386.40
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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.