Finding the Fourth Proportional to 3,040,864.79, 4,196,395.05 and 1,664,207.70
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Solution
The fourth proportional to 3,040,864.79, 4,196,395.05 and 1,664,207.70 is: 2,296,607.52
Step by Step Solution
- Step 1: Write the proportion equation
3,040,864.79 : 4,196,395.05 = 1,664,207.70 : x - Step 2: Convert to fraction form
3,040,864.79/4,196,395.05 = 1,664,207.70/x - Step 3: Cross multiply
3,040,864.79x = 4,196,395.05 × 1,664,207.70 - Step 4: Simplify right side
3,040,864.79x = 6,983,672,944,276.99 - Step 5: Solve for x
x = 6,983,672,944,276.99/3,040,864.79 - Step 6: Final answer
x = 2,296,607.52
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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.