Finding the Fourth Proportional to 4,810,545.32, 6,636,035.70 and 2,974,416.68
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Solution
The fourth proportional to 4,810,545.32, 6,636,035.70 and 2,974,416.68 is: 4,103,138.83
Step by Step Solution
- Step 1: Write the proportion equation
4,810,545.32 : 6,636,035.70 = 2,974,416.68 : x - Step 2: Convert to fraction form
4,810,545.32/6,636,035.70 = 2,974,416.68/x - Step 3: Cross multiply
4,810,545.32x = 6,636,035.70 × 2,974,416.68 - Step 4: Simplify right side
4,810,545.32x = 19,738,335,275,155.48 - Step 5: Solve for x
x = 19,738,335,275,155.48/4,810,545.32 - Step 6: Final answer
x = 4,103,138.83
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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.