Finding the Fourth Proportional to 2,220,807.24, 3,331,210.44 and 1,210,778.55
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Solution
The fourth proportional to 2,220,807.24, 3,331,210.44 and 1,210,778.55 is: 1,816,167.60
Step by Step Solution
- Step 1: Write the proportion equation
2,220,807.24 : 3,331,210.44 = 1,210,778.55 : x - Step 2: Convert to fraction form
2,220,807.24/3,331,210.44 = 1,210,778.55/x - Step 3: Cross multiply
2,220,807.24x = 3,331,210.44 × 1,210,778.55 - Step 4: Simplify right side
2,220,807.24x = 4,033,358,146,288.06 - Step 5: Solve for x
x = 4,033,358,146,288.06/2,220,807.24 - Step 6: Final answer
x = 1,816,167.60
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1.5x scale
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.