Finding the Fourth Proportional to 2,110,398.84, 2,912,177.88 and 1,192,706.64
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Solution
The fourth proportional to 2,110,398.84, 2,912,177.88 and 1,192,706.64 is: 1,645,837.66
Step by Step Solution
- Step 1: Write the proportion equation
2,110,398.84 : 2,912,177.88 = 1,192,706.64 : x - Step 2: Convert to fraction form
2,110,398.84/2,912,177.88 = 1,192,706.64/x - Step 3: Cross multiply
2,110,398.84x = 2,912,177.88 × 1,192,706.64 - Step 4: Simplify right side
2,110,398.84x = 3,473,373,894,337.12 - Step 5: Solve for x
x = 3,473,373,894,337.12/2,110,398.84 - Step 6: Final answer
x = 1,645,837.66
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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.