Finding the Fourth Proportional to 3,343,705.98, 4,615,726.80 and 2,257,448.91
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Solution
The fourth proportional to 3,343,705.98, 4,615,726.80 and 2,257,448.91 is: 3,116,233.15
Step by Step Solution
- Step 1: Write the proportion equation
3,343,705.98 : 4,615,726.80 = 2,257,448.91 : x - Step 2: Convert to fraction form
3,343,705.98/4,615,726.80 = 2,257,448.91/x - Step 3: Cross multiply
3,343,705.98x = 4,615,726.80 × 2,257,448.91 - Step 4: Simplify right side
3,343,705.98x = 10,419,767,433,517.79 - Step 5: Solve for x
x = 10,419,767,433,517.79/3,343,705.98 - Step 6: Final answer
x = 3,116,233.15
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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.