Finding the Fourth Proportional to 4,878,962.16, 6,733,115.52 and 2,703,301.80
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Solution
The fourth proportional to 4,878,962.16, 6,733,115.52 and 2,703,301.80 is: 3,730,638.34
Step by Step Solution
- Step 1: Write the proportion equation
4,878,962.16 : 6,733,115.52 = 2,703,301.80 : x - Step 2: Convert to fraction form
4,878,962.16/6,733,115.52 = 2,703,301.80/x - Step 3: Cross multiply
4,878,962.16x = 6,733,115.52 × 2,703,301.80 - Step 4: Simplify right side
4,878,962.16x = 18,201,643,304,823.93 - Step 5: Solve for x
x = 18,201,643,304,823.93/4,878,962.16 - Step 6: Final answer
x = 3,730,638.34
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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.