Finding the Fourth Proportional to 1,497,817.20, 2,246,725.80 and 486,937.20
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Solution
The fourth proportional to 1,497,817.20, 2,246,725.80 and 486,937.20 is: 730,405.80
Step by Step Solution
- Step 1: Write the proportion equation
1,497,817.20 : 2,246,725.80 = 486,937.20 : x - Step 2: Convert to fraction form
1,497,817.20/2,246,725.80 = 486,937.20/x - Step 3: Cross multiply
1,497,817.20x = 2,246,725.80 × 486,937.20 - Step 4: Simplify right side
1,497,817.20x = 1,094,014,370,219.76 - Step 5: Solve for x
x = 1,094,014,370,219.76/1,497,817.20 - Step 6: Final answer
x = 730,405.80
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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.