Finding the Fourth Proportional to 1,602,789.73, 2,211,899.91 and 877,706.28
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Solution
The fourth proportional to 1,602,789.73, 2,211,899.91 and 877,706.28 is: 1,211,262.09
Step by Step Solution
- Step 1: Write the proportion equation
1,602,789.73 : 2,211,899.91 = 877,706.28 : x - Step 2: Convert to fraction form
1,602,789.73/2,211,899.91 = 877,706.28/x - Step 3: Cross multiply
1,602,789.73x = 2,211,899.91 × 877,706.28 - Step 4: Simplify right side
1,602,789.73x = 1,941,398,438,447.04 - Step 5: Solve for x
x = 1,941,398,438,447.04/1,602,789.73 - Step 6: Final answer
x = 1,211,262.09
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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.