Finding the Fourth Proportional to 4,258,419.20, 6,387,628.80 and 2,746,764.80
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Solution
The fourth proportional to 4,258,419.20, 6,387,628.80 and 2,746,764.80 is: 4,120,147.20
Step by Step Solution
- Step 1: Write the proportion equation
4,258,419.20 : 6,387,628.80 = 2,746,764.80 : x - Step 2: Convert to fraction form
4,258,419.20/6,387,628.80 = 2,746,764.80/x - Step 3: Cross multiply
4,258,419.20x = 6,387,628.80 × 2,746,764.80 - Step 4: Simplify right side
4,258,419.20x = 17,545,313,943,306.24 - Step 5: Solve for x
x = 17,545,313,943,306.24/4,258,419.20 - Step 6: Final answer
x = 4,120,147.20
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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.