Finding the Fourth Proportional to 4,115,632.07, 5,679,611.66 and 2,280,129.45
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Solution
The fourth proportional to 4,115,632.07, 5,679,611.66 and 2,280,129.45 is: 3,146,600.47
Step by Step Solution
- Step 1: Write the proportion equation
4,115,632.07 : 5,679,611.66 = 2,280,129.45 : x - Step 2: Convert to fraction form
4,115,632.07/5,679,611.66 = 2,280,129.45/x - Step 3: Cross multiply
4,115,632.07x = 5,679,611.66 × 2,280,129.45 - Step 4: Simplify right side
4,115,632.07x = 12,950,249,794,931.17 - Step 5: Solve for x
x = 12,950,249,794,931.17/4,115,632.07 - Step 6: Final answer
x = 3,146,600.47
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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.