Finding the Fourth Proportional to 3,248,139.40, 4,872,209.10 and 2,240,369.80
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Solution
The fourth proportional to 3,248,139.40, 4,872,209.10 and 2,240,369.80 is: 3,360,554.70
Step by Step Solution
- Step 1: Write the proportion equation
3,248,139.40 : 4,872,209.10 = 2,240,369.80 : x - Step 2: Convert to fraction form
3,248,139.40/4,872,209.10 = 2,240,369.80/x - Step 3: Cross multiply
3,248,139.40x = 4,872,209.10 × 2,240,369.80 - Step 4: Simplify right side
3,248,139.40x = 10,915,550,126,925.18 - Step 5: Solve for x
x = 10,915,550,126,925.18/3,248,139.40 - Step 6: Final answer
x = 3,360,554.70
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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.