Finding the Fourth Proportional to 1,356,866.72, 2,035,372.08 and 410,213.28
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Solution
The fourth proportional to 1,356,866.72, 2,035,372.08 and 410,213.28 is: 615,341.69
Step by Step Solution
- Step 1: Write the proportion equation
1,356,866.72 : 2,035,372.08 = 410,213.28 : x - Step 2: Convert to fraction form
1,356,866.72/2,035,372.08 = 410,213.28/x - Step 3: Cross multiply
1,356,866.72x = 2,035,372.08 × 410,213.28 - Step 4: Simplify right side
1,356,866.72x = 834,936,656,957.22 - Step 5: Solve for x
x = 834,936,656,957.22/1,356,866.72 - Step 6: Final answer
x = 615,341.69
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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.