Finding the Fourth Proportional to 5,431,302.70, 8,148,047.55 and 1,593,117.70
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Solution
The fourth proportional to 5,431,302.70, 8,148,047.55 and 1,593,117.70 is: 2,389,997.30
Step by Step Solution
- Step 1: Write the proportion equation
5,431,302.70 : 8,148,047.55 = 1,593,117.70 : x - Step 2: Convert to fraction form
5,431,302.70/8,148,047.55 = 1,593,117.70/x - Step 3: Cross multiply
5,431,302.70x = 8,148,047.55 × 1,593,117.70 - Step 4: Simplify right side
5,431,302.70x = 12,980,798,772,346.63 - Step 5: Solve for x
x = 12,980,798,772,346.63/5,431,302.70 - Step 6: Final answer
x = 2,389,997.30
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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.