Finding the Fourth Proportional to 1,480,107.20, 2,221,046.52 and 638,658.95
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Solution
The fourth proportional to 1,480,107.20, 2,221,046.52 and 638,658.95 is: 958,370.61
Step by Step Solution
- Step 1: Write the proportion equation
1,480,107.20 : 2,221,046.52 = 638,658.95 : x - Step 2: Convert to fraction form
1,480,107.20/2,221,046.52 = 638,658.95/x - Step 3: Cross multiply
1,480,107.20x = 2,221,046.52 × 638,658.95 - Step 4: Simplify right side
1,480,107.20x = 1,418,491,238,364.35 - Step 5: Solve for x
x = 1,418,491,238,364.35/1,480,107.20 - Step 6: Final answer
x = 958,370.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.