Finding the Fourth Proportional to 4,479,734.72, 6,182,566.56 and 2,828,281.28
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Solution
The fourth proportional to 4,479,734.72, 6,182,566.56 and 2,828,281.28 is: 3,903,364.45
Step by Step Solution
- Step 1: Write the proportion equation
4,479,734.72 : 6,182,566.56 = 2,828,281.28 : x - Step 2: Convert to fraction form
4,479,734.72/6,182,566.56 = 2,828,281.28/x - Step 3: Cross multiply
4,479,734.72x = 6,182,566.56 × 2,828,281.28 - Step 4: Simplify right side
4,479,734.72x = 17,486,037,264,001.99 - Step 5: Solve for x
x = 17,486,037,264,001.99/4,479,734.72 - Step 6: Final answer
x = 3,903,364.45
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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.