Finding the Fourth Proportional to 2,378,956.49, 3,282,872.02 and 1,291,204.70
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Solution
The fourth proportional to 2,378,956.49, 3,282,872.02 and 1,291,204.70 is: 1,781,814.76
Step by Step Solution
- Step 1: Write the proportion equation
2,378,956.49 : 3,282,872.02 = 1,291,204.70 : x - Step 2: Convert to fraction form
2,378,956.49/3,282,872.02 = 1,291,204.70/x - Step 3: Cross multiply
2,378,956.49x = 3,282,872.02 × 1,291,204.70 - Step 4: Simplify right side
2,378,956.49x = 4,238,859,781,722.49 - Step 5: Solve for x
x = 4,238,859,781,722.49/2,378,956.49 - Step 6: Final answer
x = 1,781,814.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.