Finding the Fourth Proportional to 3,592,965.74, 5,386,260.72 and 1,317,966.84
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Solution
The fourth proportional to 3,592,965.74, 5,386,260.72 and 1,317,966.84 is: 1,975,780.88
Step by Step Solution
- Step 1: Write the proportion equation
3,592,965.74 : 5,386,260.72 = 1,317,966.84 : x - Step 2: Convert to fraction form
3,592,965.74/5,386,260.72 = 1,317,966.84/x - Step 3: Cross multiply
3,592,965.74x = 5,386,260.72 × 1,317,966.84 - Step 4: Simplify right side
3,592,965.74x = 7,098,913,020,554.53 - Step 5: Solve for x
x = 7,098,913,020,554.53/3,592,965.74 - Step 6: Final answer
x = 1,975,780.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.