Finding the Fourth Proportional to 4,815,288.84, 6,645,056.20 and 2,639,792.48
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Solution
The fourth proportional to 4,815,288.84, 6,645,056.20 and 2,639,792.48 is: 3,642,890.38
Step by Step Solution
- Step 1: Write the proportion equation
4,815,288.84 : 6,645,056.20 = 2,639,792.48 : x - Step 2: Convert to fraction form
4,815,288.84/6,645,056.20 = 2,639,792.48/x - Step 3: Cross multiply
4,815,288.84x = 6,645,056.20 × 2,639,792.48 - Step 4: Simplify right side
4,815,288.84x = 17,541,569,385,937.38 - Step 5: Solve for x
x = 17,541,569,385,937.38/4,815,288.84 - Step 6: Final answer
x = 3,642,890.38
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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.