Finding the Fourth Proportional to 2,517,787.84, 3,474,547.71 and 1,371,868.19
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Solution
The fourth proportional to 2,517,787.84, 3,474,547.71 and 1,371,868.19 is: 1,893,178.37
Step by Step Solution
- Step 1: Write the proportion equation
2,517,787.84 : 3,474,547.71 = 1,371,868.19 : x - Step 2: Convert to fraction form
2,517,787.84/3,474,547.71 = 1,371,868.19/x - Step 3: Cross multiply
2,517,787.84x = 3,474,547.71 × 1,371,868.19 - Step 4: Simplify right side
2,517,787.84x = 4,766,621,477,986.35 - Step 5: Solve for x
x = 4,766,621,477,986.35/2,517,787.84 - Step 6: Final answer
x = 1,893,178.37
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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.