Finding the Fourth Proportional to 4,712,578.68, 7,068,670.54 and 1,517,634.12
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Solution
The fourth proportional to 4,712,578.68, 7,068,670.54 and 1,517,634.12 is: 2,276,387.58
Step by Step Solution
- Step 1: Write the proportion equation
4,712,578.68 : 7,068,670.54 = 1,517,634.12 : x - Step 2: Convert to fraction form
4,712,578.68/7,068,670.54 = 1,517,634.12/x - Step 3: Cross multiply
4,712,578.68x = 7,068,670.54 × 1,517,634.12 - Step 4: Simplify right side
4,712,578.68x = 10,727,655,594,542.83 - Step 5: Solve for x
x = 10,727,655,594,542.83/4,712,578.68 - Step 6: Final answer
x = 2,276,387.58
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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.