Finding the Fourth Proportional to 4,878,974.16, 6,733,132.08 and 2,703,313.80
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Solution
The fourth proportional to 4,878,974.16, 6,733,132.08 and 2,703,313.80 is: 3,730,654.90
Step by Step Solution
- Step 1: Write the proportion equation
4,878,974.16 : 6,733,132.08 = 2,703,313.80 : x - Step 2: Convert to fraction form
4,878,974.16/6,733,132.08 = 2,703,313.80/x - Step 3: Cross multiply
4,878,974.16x = 6,733,132.08 × 2,703,313.80 - Step 4: Simplify right side
4,878,974.16x = 18,201,768,869,086.70 - Step 5: Solve for x
x = 18,201,768,869,086.70/4,878,974.16 - Step 6: Final answer
x = 3,730,654.90
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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.