Finding the Fourth Proportional to 2,802,521.68, 3,867,491.72 and 1,578,841.84
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Solution
The fourth proportional to 2,802,521.68, 3,867,491.72 and 1,578,841.84 is: 2,178,808.39
Step by Step Solution
- Step 1: Write the proportion equation
2,802,521.68 : 3,867,491.72 = 1,578,841.84 : x - Step 2: Convert to fraction form
2,802,521.68/3,867,491.72 = 1,578,841.84/x - Step 3: Cross multiply
2,802,521.68x = 3,867,491.72 × 1,578,841.84 - Step 4: Simplify right side
2,802,521.68x = 6,106,157,743,389.57 - Step 5: Solve for x
x = 6,106,157,743,389.57/2,802,521.68 - Step 6: Final answer
x = 2,178,808.39
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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.