Finding the Fourth Proportional to 4,172,215.44, 6,259,029.69 and 1,439,020.70
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Solution
The fourth proportional to 4,172,215.44, 6,259,029.69 and 1,439,020.70 is: 2,158,774.73
Step by Step Solution
- Step 1: Write the proportion equation
4,172,215.44 : 6,259,029.69 = 1,439,020.70 : x - Step 2: Convert to fraction form
4,172,215.44/6,259,029.69 = 1,439,020.70/x - Step 3: Cross multiply
4,172,215.44x = 6,259,029.69 × 1,439,020.70 - Step 4: Simplify right side
4,172,215.44x = 9,006,873,283,397.12 - Step 5: Solve for x
x = 9,006,873,283,397.12/4,172,215.44 - Step 6: Final answer
x = 2,158,774.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.