Finding the Fourth Proportional to 1,609,916.13, 2,221,737.53 and 884,789.55
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Solution
The fourth proportional to 1,609,916.13, 2,221,737.53 and 884,789.55 is: 1,221,038.85
Step by Step Solution
- Step 1: Write the proportion equation
1,609,916.13 : 2,221,737.53 = 884,789.55 : x - Step 2: Convert to fraction form
1,609,916.13/2,221,737.53 = 884,789.55/x - Step 3: Cross multiply
1,609,916.13x = 2,221,737.53 × 884,789.55 - Step 4: Simplify right side
1,609,916.13x = 1,965,770,144,962.86 - Step 5: Solve for x
x = 1,965,770,144,962.86/1,609,916.13 - Step 6: Final answer
x = 1,221,038.85
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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.