Finding the Fourth Proportional to 1,528,331.55, 2,292,356.75 and 517,337.97
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Solution
The fourth proportional to 1,528,331.55, 2,292,356.75 and 517,337.97 is: 775,959.37
Step by Step Solution
- Step 1: Write the proportion equation
1,528,331.55 : 2,292,356.75 = 517,337.97 : x - Step 2: Convert to fraction form
1,528,331.55/2,292,356.75 = 517,337.97/x - Step 3: Cross multiply
1,528,331.55x = 2,292,356.75 × 517,337.97 - Step 4: Simplify right side
1,528,331.55x = 1,185,923,184,974.11 - Step 5: Solve for x
x = 1,185,923,184,974.11/1,528,331.55 - Step 6: Final answer
x = 775,959.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.