Finding the Fourth Proportional to 2,107,585.29, 2,908,158.14 and 1,177,178.39
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Solution
The fourth proportional to 2,107,585.29, 2,908,158.14 and 1,177,178.39 is: 1,624,333.28
Step by Step Solution
- Step 1: Write the proportion equation
2,107,585.29 : 2,908,158.14 = 1,177,178.39 : x - Step 2: Convert to fraction form
2,107,585.29/2,908,158.14 = 1,177,178.39/x - Step 3: Cross multiply
2,107,585.29x = 2,908,158.14 × 1,177,178.39 - Step 4: Simplify right side
2,107,585.29x = 3,423,420,932,776.73 - Step 5: Solve for x
x = 3,423,420,932,776.73/2,107,585.29 - Step 6: Final answer
x = 1,624,333.28
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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.