Finding the Fourth Proportional to 1,584,218.80, 2,369,416.20 and 1,416,948.40
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Solution
The fourth proportional to 1,584,218.80, 2,369,416.20 and 1,416,948.40 is: 2,119,240.41
Step by Step Solution
- Step 1: Write the proportion equation
1,584,218.80 : 2,369,416.20 = 1,416,948.40 : x - Step 2: Convert to fraction form
1,584,218.80/2,369,416.20 = 1,416,948.40/x - Step 3: Cross multiply
1,584,218.80x = 2,369,416.20 × 1,416,948.40 - Step 4: Simplify right side
1,584,218.80x = 3,357,340,493,524.08 - Step 5: Solve for x
x = 3,357,340,493,524.08/1,584,218.80 - Step 6: Final answer
x = 2,119,240.41
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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.