Finding the Fourth Proportional to 2,217,470.56, 3,060,109.04 and 1,198,875.36
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Solution
The fourth proportional to 2,217,470.56, 3,060,109.04 and 1,198,875.36 is: 1,654,447.82
Step by Step Solution
- Step 1: Write the proportion equation
2,217,470.56 : 3,060,109.04 = 1,198,875.36 : x - Step 2: Convert to fraction form
2,217,470.56/3,060,109.04 = 1,198,875.36/x - Step 3: Cross multiply
2,217,470.56x = 3,060,109.04 × 1,198,875.36 - Step 4: Simplify right side
2,217,470.56x = 3,668,689,326,969.26 - Step 5: Solve for x
x = 3,668,689,326,969.26/2,217,470.56 - Step 6: Final answer
x = 1,654,447.82
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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.