Finding the Fourth Proportional to 5,436,011.97, 7,501,701.29 and 2,988,664.65
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Solution
The fourth proportional to 5,436,011.97, 7,501,701.29 and 2,988,664.65 is: 4,124,359.84
Step by Step Solution
- Step 1: Write the proportion equation
5,436,011.97 : 7,501,701.29 = 2,988,664.65 : x - Step 2: Convert to fraction form
5,436,011.97/7,501,701.29 = 2,988,664.65/x - Step 3: Cross multiply
5,436,011.97x = 7,501,701.29 × 2,988,664.65 - Step 4: Simplify right side
5,436,011.97x = 22,420,069,445,339.07 - Step 5: Solve for x
x = 22,420,069,445,339.07/5,436,011.97 - Step 6: Final answer
x = 4,124,359.84
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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.