Finding the Fourth Proportional to 2,165,347.80, 3,246,545.52 and 1,098,332.40
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Solution
The fourth proportional to 2,165,347.80, 3,246,545.52 and 1,098,332.40 is: 1,646,749.84
Step by Step Solution
- Step 1: Write the proportion equation
2,165,347.80 : 3,246,545.52 = 1,098,332.40 : x - Step 2: Convert to fraction form
2,165,347.80/3,246,545.52 = 1,098,332.40/x - Step 3: Cross multiply
2,165,347.80x = 3,246,545.52 × 1,098,332.40 - Step 4: Simplify right side
2,165,347.80x = 3,565,786,132,690.85 - Step 5: Solve for x
x = 3,565,786,132,690.85/2,165,347.80 - Step 6: Final answer
x = 1,646,749.84
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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.