Finding the Fourth Proportional to 1,481,931.24, 2,045,074.92 and 802,867.74
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Solution
The fourth proportional to 1,481,931.24, 2,045,074.92 and 802,867.74 is: 1,107,962.80
Step by Step Solution
- Step 1: Write the proportion equation
1,481,931.24 : 2,045,074.92 = 802,867.74 : x - Step 2: Convert to fraction form
1,481,931.24/2,045,074.92 = 802,867.74/x - Step 3: Cross multiply
1,481,931.24x = 2,045,074.92 × 802,867.74 - Step 4: Simplify right side
1,481,931.24x = 1,641,924,679,151.08 - Step 5: Solve for x
x = 1,641,924,679,151.08/1,481,931.24 - Step 6: Final answer
x = 1,107,962.80
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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.