Finding the Fourth Proportional to 2,227,248.99, 3,073,603.64 and 1,208,653.74
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Solution
The fourth proportional to 2,227,248.99, 3,073,603.64 and 1,208,653.74 is: 1,667,942.18
Step by Step Solution
- Step 1: Write the proportion equation
2,227,248.99 : 3,073,603.64 = 1,208,653.74 : x - Step 2: Convert to fraction form
2,227,248.99/3,073,603.64 = 1,208,653.74/x - Step 3: Cross multiply
2,227,248.99x = 3,073,603.64 × 1,208,653.74 - Step 4: Simplify right side
2,227,248.99x = 3,714,922,549,311.26 - Step 5: Solve for x
x = 3,714,922,549,311.26/2,227,248.99 - Step 6: Final answer
x = 1,667,942.18
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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.