Finding the Fourth Proportional to 1,472,213.98, 2,031,727.35 and 827,836.30
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Solution
The fourth proportional to 1,472,213.98, 2,031,727.35 and 827,836.30 is: 1,142,454.61
Step by Step Solution
- Step 1: Write the proportion equation
1,472,213.98 : 2,031,727.35 = 827,836.30 : x - Step 2: Convert to fraction form
1,472,213.98/2,031,727.35 = 827,836.30/x - Step 3: Cross multiply
1,472,213.98x = 2,031,727.35 × 827,836.30 - Step 4: Simplify right side
1,472,213.98x = 1,681,937,652,032.81 - Step 5: Solve for x
x = 1,681,937,652,032.81/1,472,213.98 - Step 6: Final answer
x = 1,142,454.61
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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.