Finding the Fourth Proportional to 1,589,372.64, 2,386,391.76 and 992,875.68
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Solution
The fourth proportional to 1,589,372.64, 2,386,391.76 and 992,875.68 is: 1,490,770.81
Step by Step Solution
- Step 1: Write the proportion equation
1,589,372.64 : 2,386,391.76 = 992,875.68 : x - Step 2: Convert to fraction form
1,589,372.64/2,386,391.76 = 992,875.68/x - Step 3: Cross multiply
1,589,372.64x = 2,386,391.76 × 992,875.68 - Step 4: Simplify right side
1,589,372.64x = 2,369,390,341,456.40 - Step 5: Solve for x
x = 2,369,390,341,456.40/1,589,372.64 - Step 6: Final answer
x = 1,490,770.81
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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.