Finding the Fourth Proportional to 2,948,624.34, 4,070,356.98 and 1,982,315
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Solution
The fourth proportional to 2,948,624.34, 4,070,356.98 and 1,982,315 is: 2,736,438.68
Step by Step Solution
- Step 1: Write the proportion equation
2,948,624.34 : 4,070,356.98 = 1,982,315 : x - Step 2: Convert to fraction form
2,948,624.34/4,070,356.98 = 1,982,315/x - Step 3: Cross multiply
2,948,624.34x = 4,070,356.98 × 1,982,315 - Step 4: Simplify right side
2,948,624.34x = 8,068,729,696,808.70 - Step 5: Solve for x
x = 8,068,729,696,808.70/2,948,624.34 - Step 6: Final answer
x = 2,736,438.68
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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.