Finding the Fourth Proportional to 4,640,878.14, 6,404,315.28 and 2,575,772.52
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Solution
The fourth proportional to 4,640,878.14, 6,404,315.28 and 2,575,772.52 is: 3,554,512.49
Step by Step Solution
- Step 1: Write the proportion equation
4,640,878.14 : 6,404,315.28 = 2,575,772.52 : x - Step 2: Convert to fraction form
4,640,878.14/6,404,315.28 = 2,575,772.52/x - Step 3: Cross multiply
4,640,878.14x = 6,404,315.28 × 2,575,772.52 - Step 4: Simplify right side
4,640,878.14x = 16,496,059,307,640.11 - Step 5: Solve for x
x = 16,496,059,307,640.11/4,640,878.14 - Step 6: Final answer
x = 3,554,512.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.