Finding the Fourth Proportional to 4,487,654.12, 6,192,962.10 and 2,450,465.48
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Solution
The fourth proportional to 4,487,654.12, 6,192,962.10 and 2,450,465.48 is: 3,381,642.04
Step by Step Solution
- Step 1: Write the proportion equation
4,487,654.12 : 6,192,962.10 = 2,450,465.48 : x - Step 2: Convert to fraction form
4,487,654.12/6,192,962.10 = 2,450,465.48/x - Step 3: Cross multiply
4,487,654.12x = 6,192,962.10 × 2,450,465.48 - Step 4: Simplify right side
4,487,654.12x = 15,175,639,844,998.31 - Step 5: Solve for x
x = 15,175,639,844,998.31/4,487,654.12 - Step 6: Final answer
x = 3,381,642.04
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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.