Finding the Fourth Proportional to 4,712,480.62, 6,503,751.10 and 2,852,921.09
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Solution
The fourth proportional to 4,712,480.62, 6,503,751.10 and 2,852,921.09 is: 3,937,350.66
Step by Step Solution
- Step 1: Write the proportion equation
4,712,480.62 : 6,503,751.10 = 2,852,921.09 : x - Step 2: Convert to fraction form
4,712,480.62/6,503,751.10 = 2,852,921.09/x - Step 3: Cross multiply
4,712,480.62x = 6,503,751.10 × 2,852,921.09 - Step 4: Simplify right side
4,712,480.62x = 18,554,688,686,427.77 - Step 5: Solve for x
x = 18,554,688,686,427.77/4,712,480.62 - Step 6: Final answer
x = 3,937,350.66
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1.5x scale
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.