Finding the Fourth Proportional to 1,657,276.05, 2,486,019.15 and 520,083.09
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Solution
The fourth proportional to 1,657,276.05, 2,486,019.15 and 520,083.09 is: 780,157.61
Step by Step Solution
- Step 1: Write the proportion equation
1,657,276.05 : 2,486,019.15 = 520,083.09 : x - Step 2: Convert to fraction form
1,657,276.05/2,486,019.15 = 520,083.09/x - Step 3: Cross multiply
1,657,276.05x = 2,486,019.15 × 520,083.09 - Step 4: Simplify right side
1,657,276.05x = 1,292,936,521,331.17 - Step 5: Solve for x
x = 1,292,936,521,331.17/1,657,276.05 - Step 6: Final answer
x = 780,157.61
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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.