Finding the Fourth Proportional to 2,147,175.60, 3,221,152.20 and 885,130.80
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Solution
The fourth proportional to 2,147,175.60, 3,221,152.20 and 885,130.80 is: 1,327,856.48
Step by Step Solution
- Step 1: Write the proportion equation
2,147,175.60 : 3,221,152.20 = 885,130.80 : x - Step 2: Convert to fraction form
2,147,175.60/3,221,152.20 = 885,130.80/x - Step 3: Cross multiply
2,147,175.60x = 3,221,152.20 × 885,130.80 - Step 4: Simplify right side
2,147,175.60x = 2,851,141,023,707.76 - Step 5: Solve for x
x = 2,851,141,023,707.76/2,147,175.60 - Step 6: Final answer
x = 1,327,856.48
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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.