Finding the Fourth Proportional to 4,280,909.13, 5,907,839.09 and 2,561,698.71
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Solution
The fourth proportional to 4,280,909.13, 5,907,839.09 and 2,561,698.71 is: 3,535,254.62
Step by Step Solution
- Step 1: Write the proportion equation
4,280,909.13 : 5,907,839.09 = 2,561,698.71 : x - Step 2: Convert to fraction form
4,280,909.13/5,907,839.09 = 2,561,698.71/x - Step 3: Cross multiply
4,280,909.13x = 5,907,839.09 × 2,561,698.71 - Step 4: Simplify right side
4,280,909.13x = 15,134,103,762,932.08 - Step 5: Solve for x
x = 15,134,103,762,932.08/4,280,909.13 - Step 6: Final answer
x = 3,535,254.62
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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.