Finding the Fourth Proportional to 1,657,694.32, 2,486,541.62 and 459,616.68
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Solution
The fourth proportional to 1,657,694.32, 2,486,541.62 and 459,616.68 is: 689,425.06
Step by Step Solution
- Step 1: Write the proportion equation
1,657,694.32 : 2,486,541.62 = 459,616.68 : x - Step 2: Convert to fraction form
1,657,694.32/2,486,541.62 = 459,616.68/x - Step 3: Cross multiply
1,657,694.32x = 2,486,541.62 × 459,616.68 - Step 4: Simplify right side
1,657,694.32x = 1,142,856,005,215.26 - Step 5: Solve for x
x = 1,142,856,005,215.26/1,657,694.32 - Step 6: Final answer
x = 689,425.06
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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.