Finding the Fourth Proportional to 5,471,982.90, 8,207,974.35 and 1,684,973.70
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Solution
The fourth proportional to 5,471,982.90, 8,207,974.35 and 1,684,973.70 is: 2,527,460.55
Step by Step Solution
- Step 1: Write the proportion equation
5,471,982.90 : 8,207,974.35 = 1,684,973.70 : x - Step 2: Convert to fraction form
5,471,982.90/8,207,974.35 = 1,684,973.70/x - Step 3: Cross multiply
5,471,982.90x = 8,207,974.35 × 1,684,973.70 - Step 4: Simplify right side
5,471,982.90x = 13,830,220,910,024.59 - Step 5: Solve for x
x = 13,830,220,910,024.59/5,471,982.90 - Step 6: Final answer
x = 2,527,460.55
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Double scale
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Similar ratio
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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.