Finding the Fourth Proportional to 4,102,638.90, 6,154,220.76 and 1,578,294.15
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Solution
The fourth proportional to 4,102,638.90, 6,154,220.76 and 1,578,294.15 is: 2,367,542.17
Step by Step Solution
- Step 1: Write the proportion equation
4,102,638.90 : 6,154,220.76 = 1,578,294.15 : x - Step 2: Convert to fraction form
4,102,638.90/6,154,220.76 = 1,578,294.15/x - Step 3: Cross multiply
4,102,638.90x = 6,154,220.76 × 1,578,294.15 - Step 4: Simplify right side
4,102,638.90x = 9,713,170,623,316.55 - Step 5: Solve for x
x = 9,713,170,623,316.55/4,102,638.90 - Step 6: Final answer
x = 2,367,542.17
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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.