Finding the Fourth Proportional to 4,587,552.40, 6,881,109.90 and 1,554,620.80
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Solution
The fourth proportional to 4,587,552.40, 6,881,109.90 and 1,554,620.80 is: 2,331,857.09
Step by Step Solution
- Step 1: Write the proportion equation
4,587,552.40 : 6,881,109.90 = 1,554,620.80 : x - Step 2: Convert to fraction form
4,587,552.40/6,881,109.90 = 1,554,620.80/x - Step 3: Cross multiply
4,587,552.40x = 6,881,109.90 × 1,554,620.80 - Step 4: Simplify right side
4,587,552.40x = 10,697,516,577,625.92 - Step 5: Solve for x
x = 10,697,516,577,625.92/4,587,552.40 - Step 6: Final answer
x = 2,331,857.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.