Finding the Fourth Proportional to 2,343,734.24, 3,234,378.16 and 1,376,904.80
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Solution
The fourth proportional to 2,343,734.24, 3,234,378.16 and 1,376,904.80 is: 1,900,143.26
Step by Step Solution
- Step 1: Write the proportion equation
2,343,734.24 : 3,234,378.16 = 1,376,904.80 : x - Step 2: Convert to fraction form
2,343,734.24/3,234,378.16 = 1,376,904.80/x - Step 3: Cross multiply
2,343,734.24x = 3,234,378.16 × 1,376,904.80 - Step 4: Simplify right side
2,343,734.24x = 4,453,430,813,519.17 - Step 5: Solve for x
x = 4,453,430,813,519.17/2,343,734.24 - Step 6: Final answer
x = 1,900,143.26
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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.