Finding the Fourth Proportional to 2,293,816.20, 3,165,547.68 and 1,261,402.49
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Solution
The fourth proportional to 2,293,816.20, 3,165,547.68 and 1,261,402.49 is: 1,740,780.15
Step by Step Solution
- Step 1: Write the proportion equation
2,293,816.20 : 3,165,547.68 = 1,261,402.49 : x - Step 2: Convert to fraction form
2,293,816.20/3,165,547.68 = 1,261,402.49/x - Step 3: Cross multiply
2,293,816.20x = 3,165,547.68 × 1,261,402.49 - Step 4: Simplify right side
2,293,816.20x = 3,993,029,709,937.99 - Step 5: Solve for x
x = 3,993,029,709,937.99/2,293,816.20 - Step 6: Final answer
x = 1,740,780.15
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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.