Finding the Fourth Proportional to 1,472,211.29, 2,031,592.37 and 827,617.74
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Solution
The fourth proportional to 1,472,211.29, 2,031,592.37 and 827,617.74 is: 1,142,079.20
Step by Step Solution
- Step 1: Write the proportion equation
1,472,211.29 : 2,031,592.37 = 827,617.74 : x - Step 2: Convert to fraction form
1,472,211.29/2,031,592.37 = 827,617.74/x - Step 3: Cross multiply
1,472,211.29x = 2,031,592.37 × 827,617.74 - Step 4: Simplify right side
1,472,211.29x = 1,681,381,881,722.56 - Step 5: Solve for x
x = 1,681,381,881,722.56/1,472,211.29 - Step 6: Final answer
x = 1,142,079.20
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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.