Finding the Fourth Proportional to 2,078,239.65, 3,118,257.54 and 1,117,572.42
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Solution
The fourth proportional to 2,078,239.65, 3,118,257.54 and 1,117,572.42 is: 1,676,841.56
Step by Step Solution
- Step 1: Write the proportion equation
2,078,239.65 : 3,118,257.54 = 1,117,572.42 : x - Step 2: Convert to fraction form
2,078,239.65/3,118,257.54 = 1,117,572.42/x - Step 3: Cross multiply
2,078,239.65x = 3,118,257.54 × 1,117,572.42 - Step 4: Simplify right side
2,078,239.65x = 3,484,878,625,161.05 - Step 5: Solve for x
x = 3,484,878,625,161.05/2,078,239.65 - Step 6: Final answer
x = 1,676,841.56
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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.