Finding the Fourth Proportional to 3,852,833.13, 5,316,995.63 and 2,198,947.07
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Solution
The fourth proportional to 3,852,833.13, 5,316,995.63 and 2,198,947.07 is: 3,034,595.99
Step by Step Solution
- Step 1: Write the proportion equation
3,852,833.13 : 5,316,995.63 = 2,198,947.07 : x - Step 2: Convert to fraction form
3,852,833.13/5,316,995.63 = 2,198,947.07/x - Step 3: Cross multiply
3,852,833.13x = 5,316,995.63 × 2,198,947.07 - Step 4: Simplify right side
3,852,833.13x = 11,691,791,948,498.81 - Step 5: Solve for x
x = 11,691,791,948,498.81/3,852,833.13 - Step 6: Final answer
x = 3,034,595.99
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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.