Finding the Fourth Proportional to 1,787,279.22, 2,465,455.05 and 1,132,703.10
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Solution
The fourth proportional to 1,787,279.22, 2,465,455.05 and 1,132,703.10 is: 1,562,502.68
Step by Step Solution
- Step 1: Write the proportion equation
1,787,279.22 : 2,465,455.05 = 1,132,703.10 : x - Step 2: Convert to fraction form
1,787,279.22/2,465,455.05 = 1,132,703.10/x - Step 3: Cross multiply
1,787,279.22x = 2,465,455.05 × 1,132,703.10 - Step 4: Simplify right side
1,787,279.22x = 2,792,628,578,045.65 - Step 5: Solve for x
x = 2,792,628,578,045.65/1,787,279.22 - Step 6: Final answer
x = 1,562,502.68
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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.