Finding the Fourth Proportional to 8,260,985.49, 12,391,478.34 and 2,869,641.11
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Solution
The fourth proportional to 8,260,985.49, 12,391,478.34 and 2,869,641.11 is: 4,304,461.69
Step by Step Solution
- Step 1: Write the proportion equation
8,260,985.49 : 12,391,478.34 = 2,869,641.11 : x - Step 2: Convert to fraction form
8,260,985.49/12,391,478.34 = 2,869,641.11/x - Step 3: Cross multiply
8,260,985.49x = 12,391,478.34 × 2,869,641.11 - Step 4: Simplify right side
8,260,985.49x = 35,559,095,608,654.03 - Step 5: Solve for x
x = 35,559,095,608,654.03/8,260,985.49 - Step 6: Final answer
x = 4,304,461.69
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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.