Finding the Fourth Proportional to 2,690,648.27, 3,712,163.10 and 1,724,311.38
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Solution
The fourth proportional to 2,690,648.27, 3,712,163.10 and 1,724,311.38 is: 2,378,952.75
Step by Step Solution
- Step 1: Write the proportion equation
2,690,648.27 : 3,712,163.10 = 1,724,311.38 : x - Step 2: Convert to fraction form
2,690,648.27/3,712,163.10 = 1,724,311.38/x - Step 3: Cross multiply
2,690,648.27x = 3,712,163.10 × 1,724,311.38 - Step 4: Simplify right side
2,690,648.27x = 6,400,925,077,746.08 - Step 5: Solve for x
x = 6,400,925,077,746.08/2,690,648.27 - Step 6: Final answer
x = 2,378,952.75
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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.