Finding the Fourth Proportional to 2,869,585.50, 3,960,207.08 and 1,580,425.54
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Solution
The fourth proportional to 2,869,585.50, 3,960,207.08 and 1,580,425.54 is: 2,181,085.88
Step by Step Solution
- Step 1: Write the proportion equation
2,869,585.50 : 3,960,207.08 = 1,580,425.54 : x - Step 2: Convert to fraction form
2,869,585.50/3,960,207.08 = 1,580,425.54/x - Step 3: Cross multiply
2,869,585.50x = 3,960,207.08 × 1,580,425.54 - Step 4: Simplify right side
2,869,585.50x = 6,258,812,405,018.70 - Step 5: Solve for x
x = 6,258,812,405,018.70/2,869,585.50 - Step 6: Final answer
x = 2,181,085.88
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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.