Finding the Fourth Proportional to 2,679,325.48, 3,697,254.66 and 1,533,143.08
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Solution
The fourth proportional to 2,679,325.48, 3,697,254.66 and 1,533,143.08 is: 2,115,614.71
Step by Step Solution
- Step 1: Write the proportion equation
2,679,325.48 : 3,697,254.66 = 1,533,143.08 : x - Step 2: Convert to fraction form
2,679,325.48/3,697,254.66 = 1,533,143.08/x - Step 3: Cross multiply
2,679,325.48x = 3,697,254.66 × 1,533,143.08 - Step 4: Simplify right side
2,679,325.48x = 5,668,420,396,976.75 - Step 5: Solve for x
x = 5,668,420,396,976.75/2,679,325.48 - Step 6: Final answer
x = 2,115,614.71
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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.