Finding the Fourth Proportional to 4,218,823.04, 6,328,623.36 and 1,378,950.08
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Solution
The fourth proportional to 4,218,823.04, 6,328,623.36 and 1,378,950.08 is: 2,068,552.20
Step by Step Solution
- Step 1: Write the proportion equation
4,218,823.04 : 6,328,623.36 = 1,378,950.08 : x - Step 2: Convert to fraction form
4,218,823.04/6,328,623.36 = 1,378,950.08/x - Step 3: Cross multiply
4,218,823.04x = 6,328,623.36 × 1,378,950.08 - Step 4: Simplify right side
4,218,823.04x = 8,726,855,688,561.87 - Step 5: Solve for x
x = 8,726,855,688,561.87/4,218,823.04 - Step 6: Final answer
x = 2,068,552.20
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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.