Finding the Fourth Proportional to 3,119,684.70, 4,675,590.45 and 1,518,800.70
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Solution
The fourth proportional to 3,119,684.70, 4,675,590.45 and 1,518,800.70 is: 2,276,284.54
Step by Step Solution
- Step 1: Write the proportion equation
3,119,684.70 : 4,675,590.45 = 1,518,800.70 : x - Step 2: Convert to fraction form
3,119,684.70/4,675,590.45 = 1,518,800.70/x - Step 3: Cross multiply
3,119,684.70x = 4,675,590.45 × 1,518,800.70 - Step 4: Simplify right side
3,119,684.70x = 7,101,290,048,373.32 - Step 5: Solve for x
x = 7,101,290,048,373.32/3,119,684.70 - Step 6: Final answer
x = 2,276,284.54
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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.