Finding the Fourth Proportional to 1,428,531.01, 2,142,772.97 and 575,581.87
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Solution
The fourth proportional to 1,428,531.01, 2,142,772.97 and 575,581.87 is: 863,363.32
Step by Step Solution
- Step 1: Write the proportion equation
1,428,531.01 : 2,142,772.97 = 575,581.87 : x - Step 2: Convert to fraction form
1,428,531.01/2,142,772.97 = 575,581.87/x - Step 3: Cross multiply
1,428,531.01x = 2,142,772.97 × 575,581.87 - Step 4: Simplify right side
1,428,531.01x = 1,233,341,273,058.05 - Step 5: Solve for x
x = 1,233,341,273,058.05/1,428,531.01 - Step 6: Final answer
x = 863,363.32
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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.