Finding the Fourth Proportional to 4,421,215.88, 6,631,823.40 and 1,226,342.19
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Solution
The fourth proportional to 4,421,215.88, 6,631,823.40 and 1,226,342.19 is: 1,839,513.17
Step by Step Solution
- Step 1: Write the proportion equation
4,421,215.88 : 6,631,823.40 = 1,226,342.19 : x - Step 2: Convert to fraction form
4,421,215.88/6,631,823.40 = 1,226,342.19/x - Step 3: Cross multiply
4,421,215.88x = 6,631,823.40 × 1,226,342.19 - Step 4: Simplify right side
4,421,215.88x = 8,132,884,832,049.25 - Step 5: Solve for x
x = 8,132,884,832,049.25/4,421,215.88 - Step 6: Final answer
x = 1,839,513.17
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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.