Finding the Fourth Proportional to 4,310,412.59, 6,466,119.12 and 1,432,036.28
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Solution
The fourth proportional to 4,310,412.59, 6,466,119.12 and 1,432,036.28 is: 2,148,220.61
Step by Step Solution
- Step 1: Write the proportion equation
4,310,412.59 : 6,466,119.12 = 1,432,036.28 : x - Step 2: Convert to fraction form
4,310,412.59/6,466,119.12 = 1,432,036.28/x - Step 3: Cross multiply
4,310,412.59x = 6,466,119.12 × 1,432,036.28 - Step 4: Simplify right side
4,310,412.59x = 9,259,717,138,311.08 - Step 5: Solve for x
x = 9,259,717,138,311.08/4,310,412.59 - Step 6: Final answer
x = 2,148,220.61
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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.