Finding the Fourth Proportional to 3,953,143.18, 5,455,922.70 and 2,502,973.18
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Solution
The fourth proportional to 3,953,143.18, 5,455,922.70 and 2,502,973.18 is: 3,454,473.46
Step by Step Solution
- Step 1: Write the proportion equation
3,953,143.18 : 5,455,922.70 = 2,502,973.18 : x - Step 2: Convert to fraction form
3,953,143.18/5,455,922.70 = 2,502,973.18/x - Step 3: Cross multiply
3,953,143.18x = 5,455,922.70 × 2,502,973.18 - Step 4: Simplify right side
3,953,143.18x = 13,656,028,190,253.19 - Step 5: Solve for x
x = 13,656,028,190,253.19/3,953,143.18 - Step 6: Final answer
x = 3,454,473.46
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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.