Finding the Fourth Proportional to 1,365,291.92, 2,047,967.40 and 418,641.68
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Solution
The fourth proportional to 1,365,291.92, 2,047,967.40 and 418,641.68 is: 627,971.57
Step by Step Solution
- Step 1: Write the proportion equation
1,365,291.92 : 2,047,967.40 = 418,641.68 : x - Step 2: Convert to fraction form
1,365,291.92/2,047,967.40 = 418,641.68/x - Step 3: Cross multiply
1,365,291.92x = 2,047,967.40 × 418,641.68 - Step 4: Simplify right side
1,365,291.92x = 857,364,512,921.23 - Step 5: Solve for x
x = 857,364,512,921.23/1,365,291.92 - Step 6: Final answer
x = 627,971.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.