Finding the Fourth Proportional to 4,691,707.68, 6,472,631.84 and 2,854,693.28
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Solution
The fourth proportional to 4,691,707.68, 6,472,631.84 and 2,854,693.28 is: 3,938,305.60
Step by Step Solution
- Step 1: Write the proportion equation
4,691,707.68 : 6,472,631.84 = 2,854,693.28 : x - Step 2: Convert to fraction form
4,691,707.68/6,472,631.84 = 2,854,693.28/x - Step 3: Cross multiply
4,691,707.68x = 6,472,631.84 × 2,854,693.28 - Step 4: Simplify right side
4,691,707.68x = 18,477,378,617,562.04 - Step 5: Solve for x
x = 18,477,378,617,562.04/4,691,707.68 - Step 6: Final answer
x = 3,938,305.60
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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.