Finding the Fourth Proportional to 5,177,118.11, 7,765,677.18 and 1,582,885.08
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Solution
The fourth proportional to 5,177,118.11, 7,765,677.18 and 1,582,885.08 is: 2,374,327.63
Step by Step Solution
- Step 1: Write the proportion equation
5,177,118.11 : 7,765,677.18 = 1,582,885.08 : x - Step 2: Convert to fraction form
5,177,118.11/7,765,677.18 = 1,582,885.08/x - Step 3: Cross multiply
5,177,118.11x = 7,765,677.18 × 1,582,885.08 - Step 4: Simplify right side
5,177,118.11x = 12,292,174,544,318.47 - Step 5: Solve for x
x = 12,292,174,544,318.47/5,177,118.11 - Step 6: Final answer
x = 2,374,327.63
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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.