Finding the Fourth Proportional to 2,267,267.49, 3,128,686.83 and 1,248,672.24
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Solution
The fourth proportional to 2,267,267.49, 3,128,686.83 and 1,248,672.24 is: 1,723,089.32
Step by Step Solution
- Step 1: Write the proportion equation
2,267,267.49 : 3,128,686.83 = 1,248,672.24 : x - Step 2: Convert to fraction form
2,267,267.49/3,128,686.83 = 1,248,672.24/x - Step 3: Cross multiply
2,267,267.49x = 3,128,686.83 × 1,248,672.24 - Step 4: Simplify right side
2,267,267.49x = 3,906,704,392,274.60 - Step 5: Solve for x
x = 3,906,704,392,274.60/2,267,267.49 - Step 6: Final answer
x = 1,723,089.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.