Finding the Fourth Proportional to 1,609,864.77, 2,221,567.09 and 884,711.62
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Solution
The fourth proportional to 1,609,864.77, 2,221,567.09 and 884,711.62 is: 1,220,876.59
Step by Step Solution
- Step 1: Write the proportion equation
1,609,864.77 : 2,221,567.09 = 884,711.62 : x - Step 2: Convert to fraction form
1,609,864.77/2,221,567.09 = 884,711.62/x - Step 3: Cross multiply
1,609,864.77x = 2,221,567.09 × 884,711.62 - Step 4: Simplify right side
1,609,864.77x = 1,965,446,211,366.89 - Step 5: Solve for x
x = 1,965,446,211,366.89/1,609,864.77 - Step 6: Final answer
x = 1,220,876.59
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1.5x scale
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.