Finding the Fourth Proportional to 2,921,518.80, 4,402,219.73 and 2,400,706.62
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Solution
The fourth proportional to 2,921,518.80, 4,402,219.73 and 2,400,706.62 is: 3,617,446.53
Step by Step Solution
- Step 1: Write the proportion equation
2,921,518.80 : 4,402,219.73 = 2,400,706.62 : x - Step 2: Convert to fraction form
2,921,518.80/4,402,219.73 = 2,400,706.62/x - Step 3: Cross multiply
2,921,518.80x = 4,402,219.73 × 2,400,706.62 - Step 4: Simplify right side
2,921,518.80x = 10,568,438,036,502.08 - Step 5: Solve for x
x = 10,568,438,036,502.08/2,921,518.80 - Step 6: Final answer
x = 3,617,446.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.