Finding the Fourth Proportional to 4,930,356.20, 7,396,328.98 and 1,518,641.21
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Solution
The fourth proportional to 4,930,356.20, 7,396,328.98 and 1,518,641.21 is: 2,278,206.59
Step by Step Solution
- Step 1: Write the proportion equation
4,930,356.20 : 7,396,328.98 = 1,518,641.21 : x - Step 2: Convert to fraction form
4,930,356.20/7,396,328.98 = 1,518,641.21/x - Step 3: Cross multiply
4,930,356.20x = 7,396,328.98 × 1,518,641.21 - Step 4: Simplify right side
4,930,356.20x = 11,232,369,954,763.62 - Step 5: Solve for x
x = 11,232,369,954,763.62/4,930,356.20 - Step 6: Final answer
x = 2,278,206.59
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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.