Finding the Fourth Proportional to 1,548,215.57, 2,136,464.81 and 859,932.05
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Solution
The fourth proportional to 1,548,215.57, 2,136,464.81 and 859,932.05 is: 1,186,665.85
Step by Step Solution
- Step 1: Write the proportion equation
1,548,215.57 : 2,136,464.81 = 859,932.05 : x - Step 2: Convert to fraction form
1,548,215.57/2,136,464.81 = 859,932.05/x - Step 3: Cross multiply
1,548,215.57x = 2,136,464.81 × 859,932.05 - Step 4: Simplify right side
1,548,215.57x = 1,837,214,552,058.92 - Step 5: Solve for x
x = 1,837,214,552,058.92/1,548,215.57 - Step 6: Final answer
x = 1,186,665.85
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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.