Finding the Fourth Proportional to 5,022,885.60, 6,931,391.04 and 2,731,048.20
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Solution
The fourth proportional to 5,022,885.60, 6,931,391.04 and 2,731,048.20 is: 3,768,742.62
Step by Step Solution
- Step 1: Write the proportion equation
5,022,885.60 : 6,931,391.04 = 2,731,048.20 : x - Step 2: Convert to fraction form
5,022,885.60/6,931,391.04 = 2,731,048.20/x - Step 3: Cross multiply
5,022,885.60x = 6,931,391.04 × 2,731,048.20 - Step 4: Simplify right side
5,022,885.60x = 18,929,963,023,288.13 - Step 5: Solve for x
x = 18,929,963,023,288.13/5,022,885.60 - Step 6: Final answer
x = 3,768,742.62
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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.