Finding the Fourth Proportional to 4,822,486.80, 6,660,555.06 and 3,175,994.08
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Solution
The fourth proportional to 4,822,486.80, 6,660,555.06 and 3,175,994.08 is: 4,386,509.35
Step by Step Solution
- Step 1: Write the proportion equation
4,822,486.80 : 6,660,555.06 = 3,175,994.08 : x - Step 2: Convert to fraction form
4,822,486.80/6,660,555.06 = 3,175,994.08/x - Step 3: Cross multiply
4,822,486.80x = 6,660,555.06 × 3,175,994.08 - Step 4: Simplify right side
4,822,486.80x = 21,153,883,440,074.04 - Step 5: Solve for x
x = 21,153,883,440,074.04/4,822,486.80 - Step 6: Final answer
x = 4,386,509.35
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1.5x scale
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.