Finding the Fourth Proportional to 5,615,385.40, 8,423,078.10 and 2,774,909.80
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Solution
The fourth proportional to 5,615,385.40, 8,423,078.10 and 2,774,909.80 is: 4,162,364.70
Step by Step Solution
- Step 1: Write the proportion equation
5,615,385.40 : 8,423,078.10 = 2,774,909.80 : x - Step 2: Convert to fraction form
5,615,385.40/8,423,078.10 = 2,774,909.80/x - Step 3: Cross multiply
5,615,385.40x = 8,423,078.10 × 2,774,909.80 - Step 4: Simplify right side
5,615,385.40x = 23,373,281,965,855.38 - Step 5: Solve for x
x = 23,373,281,965,855.38/5,615,385.40 - Step 6: Final answer
x = 4,162,364.70
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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.