Finding the Fourth Proportional to 1,486,320.71, 2,228,934.20 and 513,437.49
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Solution
The fourth proportional to 1,486,320.71, 2,228,934.20 and 513,437.49 is: 769,967.32
Step by Step Solution
- Step 1: Write the proportion equation
1,486,320.71 : 2,228,934.20 = 513,437.49 : x - Step 2: Convert to fraction form
1,486,320.71/2,228,934.20 = 513,437.49/x - Step 3: Cross multiply
1,486,320.71x = 2,228,934.20 × 513,437.49 - Step 4: Simplify right side
1,486,320.71x = 1,144,418,381,023.16 - Step 5: Solve for x
x = 1,144,418,381,023.16/1,486,320.71 - Step 6: Final answer
x = 769,967.32
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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.