Finding the Fourth Proportional to 2,894,330.16, 3,994,420.98 and 1,605,585.78
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Solution
The fourth proportional to 2,894,330.16, 3,994,420.98 and 1,605,585.78 is: 2,215,844.49
Step by Step Solution
- Step 1: Write the proportion equation
2,894,330.16 : 3,994,420.98 = 1,605,585.78 : x - Step 2: Convert to fraction form
2,894,330.16/3,994,420.98 = 1,605,585.78/x - Step 3: Cross multiply
2,894,330.16x = 3,994,420.98 × 1,605,585.78 - Step 4: Simplify right side
2,894,330.16x = 6,413,385,524,821.66 - Step 5: Solve for x
x = 6,413,385,524,821.66/2,894,330.16 - Step 6: Final answer
x = 2,215,844.49
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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.