Finding the Fourth Proportional to 3,241,781.99, 4,473,278.49 and 1,791,390.92
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Solution
The fourth proportional to 3,241,781.99, 4,473,278.49 and 1,791,390.92 is: 2,471,909.12
Step by Step Solution
- Step 1: Write the proportion equation
3,241,781.99 : 4,473,278.49 = 1,791,390.92 : x - Step 2: Convert to fraction form
3,241,781.99/4,473,278.49 = 1,791,390.92/x - Step 3: Cross multiply
3,241,781.99x = 4,473,278.49 × 1,791,390.92 - Step 4: Simplify right side
3,241,781.99x = 8,013,390,447,250.92 - Step 5: Solve for x
x = 8,013,390,447,250.92/3,241,781.99 - Step 6: Final answer
x = 2,471,909.12
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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.