Finding the Fourth Proportional to 4,839,455.19, 6,678,446.25 and 2,663,987.06
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Solution
The fourth proportional to 4,839,455.19, 6,678,446.25 and 2,663,987.06 is: 3,676,301.09
Step by Step Solution
- Step 1: Write the proportion equation
4,839,455.19 : 6,678,446.25 = 2,663,987.06 : x - Step 2: Convert to fraction form
4,839,455.19/6,678,446.25 = 2,663,987.06/x - Step 3: Cross multiply
4,839,455.19x = 6,678,446.25 × 2,663,987.06 - Step 4: Simplify right side
4,839,455.19x = 17,791,294,417,591.59 - Step 5: Solve for x
x = 17,791,294,417,591.59/4,839,455.19 - Step 6: Final answer
x = 3,676,301.09
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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.