Finding the Fourth Proportional to 4,279,039.14, 6,418,854.06 and 1,246,430.22
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Solution
The fourth proportional to 4,279,039.14, 6,418,854.06 and 1,246,430.22 is: 1,869,731.36
Step by Step Solution
- Step 1: Write the proportion equation
4,279,039.14 : 6,418,854.06 = 1,246,430.22 : x - Step 2: Convert to fraction form
4,279,039.14/6,418,854.06 = 1,246,430.22/x - Step 3: Cross multiply
4,279,039.14x = 6,418,854.06 × 1,246,430.22 - Step 4: Simplify right side
4,279,039.14x = 8,000,653,678,153.69 - Step 5: Solve for x
x = 8,000,653,678,153.69/4,279,039.14 - Step 6: Final answer
x = 1,869,731.36
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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.