Finding the Fourth Proportional to 4,590,663.60, 6,878,122.20 and 2,189,337.60
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Solution
The fourth proportional to 4,590,663.60, 6,878,122.20 and 2,189,337.60 is: 3,280,251.58
Step by Step Solution
- Step 1: Write the proportion equation
4,590,663.60 : 6,878,122.20 = 2,189,337.60 : x - Step 2: Convert to fraction form
4,590,663.60/6,878,122.20 = 2,189,337.60/x - Step 3: Cross multiply
4,590,663.60x = 6,878,122.20 × 2,189,337.60 - Step 4: Simplify right side
4,590,663.60x = 15,058,531,549,854.72 - Step 5: Solve for x
x = 15,058,531,549,854.72/4,590,663.60 - Step 6: Final answer
x = 3,280,251.58
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1.5x scale
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.