Finding the Fourth Proportional to 1,471,927.68, 2,207,962.80 and 406,946.16
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Solution
The fourth proportional to 1,471,927.68, 2,207,962.80 and 406,946.16 is: 610,438.95
Step by Step Solution
- Step 1: Write the proportion equation
1,471,927.68 : 2,207,962.80 = 406,946.16 : x - Step 2: Convert to fraction form
1,471,927.68/2,207,962.80 = 406,946.16/x - Step 3: Cross multiply
1,471,927.68x = 2,207,962.80 × 406,946.16 - Step 4: Simplify right side
1,471,927.68x = 898,521,982,882.85 - Step 5: Solve for x
x = 898,521,982,882.85/1,471,927.68 - Step 6: Final answer
x = 610,438.95
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1.5x scale
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.