Finding the Fourth Proportional to 1,545,518.92, 2,316,642.18 and 519,872.80
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Solution
The fourth proportional to 1,545,518.92, 2,316,642.18 and 519,872.80 is: 779,258.82
Step by Step Solution
- Step 1: Write the proportion equation
1,545,518.92 : 2,316,642.18 = 519,872.80 : x - Step 2: Convert to fraction form
1,545,518.92/2,316,642.18 = 519,872.80/x - Step 3: Cross multiply
1,545,518.92x = 2,316,642.18 × 519,872.80 - Step 4: Simplify right side
1,545,518.92x = 1,204,359,256,714.70 - Step 5: Solve for x
x = 1,204,359,256,714.70/1,545,518.92 - Step 6: Final answer
x = 779,258.82
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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.