Finding the Fourth Proportional to 4,812,841.31, 6,641,721.09 and 2,637,470.08
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Solution
The fourth proportional to 4,812,841.31, 6,641,721.09 and 2,637,470.08 is: 3,639,708.75
Step by Step Solution
- Step 1: Write the proportion equation
4,812,841.31 : 6,641,721.09 = 2,637,470.08 : x - Step 2: Convert to fraction form
4,812,841.31/6,641,721.09 = 2,637,470.08/x - Step 3: Cross multiply
4,812,841.31x = 6,641,721.09 × 2,637,470.08 - Step 4: Simplify right side
4,812,841.31x = 17,517,340,633,030.43 - Step 5: Solve for x
x = 17,517,340,633,030.43/4,812,841.31 - Step 6: Final answer
x = 3,639,708.75
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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.