Finding the Fourth Proportional to 2,679,211.35, 3,697,226.37 and 1,533,267.09
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Solution
The fourth proportional to 2,679,211.35, 3,697,226.37 and 1,533,267.09 is: 2,115,859.77
Step by Step Solution
- Step 1: Write the proportion equation
2,679,211.35 : 3,697,226.37 = 1,533,267.09 : x - Step 2: Convert to fraction form
2,679,211.35/3,697,226.37 = 1,533,267.09/x - Step 3: Cross multiply
2,679,211.35x = 3,697,226.37 × 1,533,267.09 - Step 4: Simplify right side
2,679,211.35x = 5,668,835,517,401.16 - Step 5: Solve for x
x = 5,668,835,517,401.16/2,679,211.35 - Step 6: Final answer
x = 2,115,859.77
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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.