Finding the Fourth Proportional to 1,561,552.12, 2,154,703.62 and 882,240.76
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Solution
The fourth proportional to 1,561,552.12, 2,154,703.62 and 882,240.76 is: 1,217,357.61
Step by Step Solution
- Step 1: Write the proportion equation
1,561,552.12 : 2,154,703.62 = 882,240.76 : x - Step 2: Convert to fraction form
1,561,552.12/2,154,703.62 = 882,240.76/x - Step 3: Cross multiply
1,561,552.12x = 2,154,703.62 × 882,240.76 - Step 4: Simplify right side
1,561,552.12x = 1,900,967,359,283.55 - Step 5: Solve for x
x = 1,900,967,359,283.55/1,561,552.12 - Step 6: Final answer
x = 1,217,357.61
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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.