Finding the Fourth Proportional to 1,948,097.62, 2,688,366.90 and 1,088,657.65
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Solution
The fourth proportional to 1,948,097.62, 2,688,366.90 and 1,088,657.65 is: 1,502,343.19
Step by Step Solution
- Step 1: Write the proportion equation
1,948,097.62 : 2,688,366.90 = 1,088,657.65 : x - Step 2: Convert to fraction form
1,948,097.62/2,688,366.90 = 1,088,657.65/x - Step 3: Cross multiply
1,948,097.62x = 2,688,366.90 × 1,088,657.65 - Step 4: Simplify right side
1,948,097.62x = 2,926,711,191,691.78 - Step 5: Solve for x
x = 2,926,711,191,691.78/1,948,097.62 - Step 6: Final answer
x = 1,502,343.19
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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.