Finding the Fourth Proportional to 1,536,728.02, 2,120,962.26 and 916,572.94
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Solution
The fourth proportional to 1,536,728.02, 2,120,962.26 and 916,572.94 is: 1,265,036.23
Step by Step Solution
- Step 1: Write the proportion equation
1,536,728.02 : 2,120,962.26 = 916,572.94 : x - Step 2: Convert to fraction form
1,536,728.02/2,120,962.26 = 916,572.94/x - Step 3: Cross multiply
1,536,728.02x = 2,120,962.26 × 916,572.94 - Step 4: Simplify right side
1,536,728.02x = 1,944,016,614,277.24 - Step 5: Solve for x
x = 1,944,016,614,277.24/1,536,728.02 - Step 6: Final answer
x = 1,265,036.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.