Finding the Fourth Proportional to 3,157,863.58, 4,357,848.70 and 1,707,555.57
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Solution
The fourth proportional to 3,157,863.58, 4,357,848.70 and 1,707,555.57 is: 2,356,425.04
Step by Step Solution
- Step 1: Write the proportion equation
3,157,863.58 : 4,357,848.70 = 1,707,555.57 : x - Step 2: Convert to fraction form
3,157,863.58/4,357,848.70 = 1,707,555.57/x - Step 3: Cross multiply
3,157,863.58x = 4,357,848.70 × 1,707,555.57 - Step 4: Simplify right side
3,157,863.58x = 7,441,268,820,902.26 - Step 5: Solve for x
x = 7,441,268,820,902.26/3,157,863.58 - Step 6: Final answer
x = 2,356,425.04
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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.