Finding the Fourth Proportional to 1,448,488.60, 2,172,815.97 and 383,502.99
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Solution
The fourth proportional to 1,448,488.60, 2,172,815.97 and 383,502.99 is: 575,276.48
Step by Step Solution
- Step 1: Write the proportion equation
1,448,488.60 : 2,172,815.97 = 383,502.99 : x - Step 2: Convert to fraction form
1,448,488.60/2,172,815.97 = 383,502.99/x - Step 3: Cross multiply
1,448,488.60x = 2,172,815.97 × 383,502.99 - Step 4: Simplify right side
1,448,488.60x = 833,281,421,214.75 - Step 5: Solve for x
x = 833,281,421,214.75/1,448,488.60 - Step 6: Final answer
x = 575,276.48
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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.