Finding the Fourth Proportional to 2,423,153.20, 3,343,364.13 and 1,376,341.54
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Solution
The fourth proportional to 2,423,153.20, 3,343,364.13 and 1,376,341.54 is: 1,899,017.75
Step by Step Solution
- Step 1: Write the proportion equation
2,423,153.20 : 3,343,364.13 = 1,376,341.54 : x - Step 2: Convert to fraction form
2,423,153.20/3,343,364.13 = 1,376,341.54/x - Step 3: Cross multiply
2,423,153.20x = 3,343,364.13 × 1,376,341.54 - Step 4: Simplify right side
2,423,153.20x = 4,601,610,935,464.96 - Step 5: Solve for x
x = 4,601,610,935,464.96/2,423,153.20 - Step 6: Final answer
x = 1,899,017.75
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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.