Finding the Fourth Proportional to 4,221,025.73, 6,340,011.55 and 2,518,491.49
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Solution
The fourth proportional to 4,221,025.73, 6,340,011.55 and 2,518,491.49 is: 3,782,792.65
Step by Step Solution
- Step 1: Write the proportion equation
4,221,025.73 : 6,340,011.55 = 2,518,491.49 : x - Step 2: Convert to fraction form
4,221,025.73/6,340,011.55 = 2,518,491.49/x - Step 3: Cross multiply
4,221,025.73x = 6,340,011.55 × 2,518,491.49 - Step 4: Simplify right side
4,221,025.73x = 15,967,265,113,030.45 - Step 5: Solve for x
x = 15,967,265,113,030.45/4,221,025.73 - Step 6: Final answer
x = 3,782,792.65
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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.