Finding the Fourth Proportional to 6,509,781.12, 8,983,789.58 and 3,719,148.41
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Solution
The fourth proportional to 6,509,781.12, 8,983,789.58 and 3,719,148.41 is: 5,132,591.43
Step by Step Solution
- Step 1: Write the proportion equation
6,509,781.12 : 8,983,789.58 = 3,719,148.41 : x - Step 2: Convert to fraction form
6,509,781.12/8,983,789.58 = 3,719,148.41/x - Step 3: Cross multiply
6,509,781.12x = 8,983,789.58 × 3,719,148.41 - Step 4: Simplify right side
6,509,781.12x = 33,412,046,763,988.91 - Step 5: Solve for x
x = 33,412,046,763,988.91/6,509,781.12 - Step 6: Final answer
x = 5,132,591.43
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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.