Finding the Fourth Proportional to 2,678,463.76, 3,696,307.16 and 1,454,781.04
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Solution
The fourth proportional to 2,678,463.76, 3,696,307.16 and 1,454,781.04 is: 2,007,612.59
Step by Step Solution
- Step 1: Write the proportion equation
2,678,463.76 : 3,696,307.16 = 1,454,781.04 : x - Step 2: Convert to fraction form
2,678,463.76/3,696,307.16 = 1,454,781.04/x - Step 3: Cross multiply
2,678,463.76x = 3,696,307.16 × 1,454,781.04 - Step 4: Simplify right side
2,678,463.76x = 5,377,317,574,384.25 - Step 5: Solve for x
x = 5,377,317,574,384.25/2,678,463.76 - Step 6: Final answer
x = 2,007,612.59
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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.