Finding the Fourth Proportional to 2,258,306.49, 3,387,464.55 and 1,587,389.94
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Solution
The fourth proportional to 2,258,306.49, 3,387,464.55 and 1,587,389.94 is: 2,381,088.29
Step by Step Solution
- Step 1: Write the proportion equation
2,258,306.49 : 3,387,464.55 = 1,587,389.94 : x - Step 2: Convert to fraction form
2,258,306.49/3,387,464.55 = 1,587,389.94/x - Step 3: Cross multiply
2,258,306.49x = 3,387,464.55 × 1,587,389.94 - Step 4: Simplify right side
2,258,306.49x = 5,377,227,148,776.63 - Step 5: Solve for x
x = 5,377,227,148,776.63/2,258,306.49 - Step 6: Final answer
x = 2,381,088.29
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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.