Finding the Fourth Proportional to 3,461,732.59, 4,777,374.38 and 2,085,509.53
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Solution
The fourth proportional to 3,461,732.59, 4,777,374.38 and 2,085,509.53 is: 2,878,113.65
Step by Step Solution
- Step 1: Write the proportion equation
3,461,732.59 : 4,777,374.38 = 2,085,509.53 : x - Step 2: Convert to fraction form
3,461,732.59/4,777,374.38 = 2,085,509.53/x - Step 3: Cross multiply
3,461,732.59x = 4,777,374.38 × 2,085,509.53 - Step 4: Simplify right side
3,461,732.59x = 9,963,259,805,143.00 - Step 5: Solve for x
x = 9,963,259,805,143.00/3,461,732.59 - Step 6: Final answer
x = 2,878,113.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.