Finding the Fourth Proportional to 2,315,844.99, 3,191,876.06 and 1,540,089.36
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Solution
The fourth proportional to 2,315,844.99, 3,191,876.06 and 1,540,089.36 is: 2,122,669.86
Step by Step Solution
- Step 1: Write the proportion equation
2,315,844.99 : 3,191,876.06 = 1,540,089.36 : x - Step 2: Convert to fraction form
2,315,844.99/3,191,876.06 = 1,540,089.36/x - Step 3: Cross multiply
2,315,844.99x = 3,191,876.06 × 1,540,089.36 - Step 4: Simplify right side
2,315,844.99x = 4,915,774,350,744.28 - Step 5: Solve for x
x = 4,915,774,350,744.28/2,315,844.99 - Step 6: Final answer
x = 2,122,669.86
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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.