Finding the Fourth Proportional to 2,679,216.35, 3,697,233.27 and 1,533,272.09
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Solution
The fourth proportional to 2,679,216.35, 3,697,233.27 and 1,533,272.09 is: 2,115,866.67
Step by Step Solution
- Step 1: Write the proportion equation
2,679,216.35 : 3,697,233.27 = 1,533,272.09 : x - Step 2: Convert to fraction form
2,679,216.35/3,697,233.27 = 1,533,272.09/x - Step 3: Cross multiply
2,679,216.35x = 3,697,233.27 × 1,533,272.09 - Step 4: Simplify right side
2,679,216.35x = 5,668,864,583,110.44 - Step 5: Solve for x
x = 5,668,864,583,110.44/2,679,216.35 - Step 6: Final answer
x = 2,115,866.67
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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.