Finding the Fourth Proportional to 5,253,332.24, 7,879,999.80 and 1,264,244.24
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Solution
The fourth proportional to 5,253,332.24, 7,879,999.80 and 1,264,244.24 is: 1,896,366.71
Step by Step Solution
- Step 1: Write the proportion equation
5,253,332.24 : 7,879,999.80 = 1,264,244.24 : x - Step 2: Convert to fraction form
5,253,332.24/7,879,999.80 = 1,264,244.24/x - Step 3: Cross multiply
5,253,332.24x = 7,879,999.80 × 1,264,244.24 - Step 4: Simplify right side
5,253,332.24x = 9,962,244,358,351.15 - Step 5: Solve for x
x = 9,962,244,358,351.15/5,253,332.24 - Step 6: Final answer
x = 1,896,366.71
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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.