Finding the Fourth Proportional to 2,409,378.09, 3,612,904.55 and 1,398,754.45
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Solution
The fourth proportional to 2,409,378.09, 3,612,904.55 and 1,398,754.45 is: 2,097,456.74
Step by Step Solution
- Step 1: Write the proportion equation
2,409,378.09 : 3,612,904.55 = 1,398,754.45 : x - Step 2: Convert to fraction form
2,409,378.09/3,612,904.55 = 1,398,754.45/x - Step 3: Cross multiply
2,409,378.09x = 3,612,904.55 × 1,398,754.45 - Step 4: Simplify right side
2,409,378.09x = 5,053,566,316,737.75 - Step 5: Solve for x
x = 5,053,566,316,737.75/2,409,378.09 - Step 6: Final answer
x = 2,097,456.74
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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.