Finding the Fourth Proportional to 2,898,686.55, 4,000,110.57 and 1,609,493.79
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Solution
The fourth proportional to 2,898,686.55, 4,000,110.57 and 1,609,493.79 is: 2,221,058.75
Step by Step Solution
- Step 1: Write the proportion equation
2,898,686.55 : 4,000,110.57 = 1,609,493.79 : x - Step 2: Convert to fraction form
2,898,686.55/4,000,110.57 = 1,609,493.79/x - Step 3: Cross multiply
2,898,686.55x = 4,000,110.57 × 1,609,493.79 - Step 4: Simplify right side
2,898,686.55x = 6,438,153,121,728.36 - Step 5: Solve for x
x = 6,438,153,121,728.36/2,898,686.55 - Step 6: Final answer
x = 2,221,058.75
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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.