Finding the Fourth Proportional to 2,315,259.44, 3,195,058.02 and 1,296,664.19
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Solution
The fourth proportional to 2,315,259.44, 3,195,058.02 and 1,296,664.19 is: 1,789,396.58
Step by Step Solution
- Step 1: Write the proportion equation
2,315,259.44 : 3,195,058.02 = 1,296,664.19 : x - Step 2: Convert to fraction form
2,315,259.44/3,195,058.02 = 1,296,664.19/x - Step 3: Cross multiply
2,315,259.44x = 3,195,058.02 × 1,296,664.19 - Step 4: Simplify right side
2,315,259.44x = 4,142,917,316,381.15 - Step 5: Solve for x
x = 4,142,917,316,381.15/2,315,259.44 - Step 6: Final answer
x = 1,789,396.58
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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.