Finding the Fourth Proportional to 3,707,291.60, 5,111,703.60 and 2,971,657.68
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Solution
The fourth proportional to 3,707,291.60, 5,111,703.60 and 2,971,657.68 is: 4,097,393.70
Step by Step Solution
- Step 1: Write the proportion equation
3,707,291.60 : 5,111,703.60 = 2,971,657.68 : x - Step 2: Convert to fraction form
3,707,291.60/5,111,703.60 = 2,971,657.68/x - Step 3: Cross multiply
3,707,291.60x = 5,111,703.60 × 2,971,657.68 - Step 4: Simplify right side
3,707,291.60x = 15,190,233,260,823.65 - Step 5: Solve for x
x = 15,190,233,260,823.65/3,707,291.60 - Step 6: Final answer
x = 4,097,393.70
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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.