Finding the Fourth Proportional to 4,878,972.80, 6,732,881.88 and 2,703,496.88
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Solution
The fourth proportional to 4,878,972.80, 6,732,881.88 and 2,703,496.88 is: 3,730,769.96
Step by Step Solution
- Step 1: Write the proportion equation
4,878,972.80 : 6,732,881.88 = 2,703,496.88 : x - Step 2: Convert to fraction form
4,878,972.80/6,732,881.88 = 2,703,496.88/x - Step 3: Cross multiply
4,878,972.80x = 6,732,881.88 × 2,703,496.88 - Step 4: Simplify right side
4,878,972.80x = 18,202,325,155,988.54 - Step 5: Solve for x
x = 18,202,325,155,988.54/4,878,972.80 - Step 6: Final answer
x = 3,730,769.96
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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.