Finding the Fourth Proportional to 4,138,457.70, 6,207,686.55 and 1,146,641.70
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Solution
The fourth proportional to 4,138,457.70, 6,207,686.55 and 1,146,641.70 is: 1,719,962.55
Step by Step Solution
- Step 1: Write the proportion equation
4,138,457.70 : 6,207,686.55 = 1,146,641.70 : x - Step 2: Convert to fraction form
4,138,457.70/6,207,686.55 = 1,146,641.70/x - Step 3: Cross multiply
4,138,457.70x = 6,207,686.55 × 1,146,641.70 - Step 4: Simplify right side
4,138,457.70x = 7,117,992,258,759.14 - Step 5: Solve for x
x = 7,117,992,258,759.14/4,138,457.70 - Step 6: Final answer
x = 1,719,962.55
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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.