Finding the Fourth Proportional to 3,472,127.20, 4,791,427.05 and 1,923,326.74
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Solution
The fourth proportional to 3,472,127.20, 4,791,427.05 and 1,923,326.74 is: 2,654,130.81
Step by Step Solution
- Step 1: Write the proportion equation
3,472,127.20 : 4,791,427.05 = 1,923,326.74 : x - Step 2: Convert to fraction form
3,472,127.20/4,791,427.05 = 1,923,326.74/x - Step 3: Cross multiply
3,472,127.20x = 4,791,427.05 × 1,923,326.74 - Step 4: Simplify right side
3,472,127.20x = 9,215,479,768,024.32 - Step 5: Solve for x
x = 9,215,479,768,024.32/3,472,127.20 - Step 6: Final answer
x = 2,654,130.81
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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.