Finding the Fourth Proportional to 3,781,430.16, 5,218,389.84 and 2,062,587.57
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Solution
The fourth proportional to 3,781,430.16, 5,218,389.84 and 2,062,587.57 is: 2,846,379.69
Step by Step Solution
- Step 1: Write the proportion equation
3,781,430.16 : 5,218,389.84 = 2,062,587.57 : x - Step 2: Convert to fraction form
3,781,430.16/5,218,389.84 = 2,062,587.57/x - Step 3: Cross multiply
3,781,430.16x = 5,218,389.84 × 2,062,587.57 - Step 4: Simplify right side
3,781,430.16x = 10,763,386,019,398.29 - Step 5: Solve for x
x = 10,763,386,019,398.29/3,781,430.16 - Step 6: Final answer
x = 2,846,379.69
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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.