Finding the Fourth Proportional to 5,578,658.70, 8,364,051.45 and 2,547,476.70
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Solution
The fourth proportional to 5,578,658.70, 8,364,051.45 and 2,547,476.70 is: 3,819,417.41
Step by Step Solution
- Step 1: Write the proportion equation
5,578,658.70 : 8,364,051.45 = 2,547,476.70 : x - Step 2: Convert to fraction form
5,578,658.70/8,364,051.45 = 2,547,476.70/x - Step 3: Cross multiply
5,578,658.70x = 8,364,051.45 × 2,547,476.70 - Step 4: Simplify right side
5,578,658.70x = 21,307,226,186,476.22 - Step 5: Solve for x
x = 21,307,226,186,476.22/5,578,658.70 - Step 6: Final answer
x = 3,819,417.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.