Finding the Fourth Proportional to 4,834,746.76, 7,251,331.72 and 1,422,235.08
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Solution
The fourth proportional to 4,834,746.76, 7,251,331.72 and 1,422,235.08 is: 2,133,120.69
Step by Step Solution
- Step 1: Write the proportion equation
4,834,746.76 : 7,251,331.72 = 1,422,235.08 : x - Step 2: Convert to fraction form
4,834,746.76/7,251,331.72 = 1,422,235.08/x - Step 3: Cross multiply
4,834,746.76x = 7,251,331.72 × 1,422,235.08 - Step 4: Simplify right side
4,834,746.76x = 10,313,098,348,900.74 - Step 5: Solve for x
x = 10,313,098,348,900.74/4,834,746.76 - Step 6: Final answer
x = 2,133,120.69
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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.