Finding the Fourth Proportional to 3,843,125.52, 5,303,620.36 and 2,124,356.55
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Solution
The fourth proportional to 3,843,125.52, 5,303,620.36 and 2,124,356.55 is: 2,931,671.26
Step by Step Solution
- Step 1: Write the proportion equation
3,843,125.52 : 5,303,620.36 = 2,124,356.55 : x - Step 2: Convert to fraction form
3,843,125.52/5,303,620.36 = 2,124,356.55/x - Step 3: Cross multiply
3,843,125.52x = 5,303,620.36 × 2,124,356.55 - Step 4: Simplify right side
3,843,125.52x = 11,266,780,650,479.36 - Step 5: Solve for x
x = 11,266,780,650,479.36/3,843,125.52 - Step 6: Final answer
x = 2,931,671.26
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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.