Finding the Fourth Proportional to 2,563,762.80, 3,840,575.40 and 2,248,575.60
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Solution
The fourth proportional to 2,563,762.80, 3,840,575.40 and 2,248,575.60 is: 3,368,417.75
Step by Step Solution
- Step 1: Write the proportion equation
2,563,762.80 : 3,840,575.40 = 2,248,575.60 : x - Step 2: Convert to fraction form
2,563,762.80/3,840,575.40 = 2,248,575.60/x - Step 3: Cross multiply
2,563,762.80x = 3,840,575.40 × 2,248,575.60 - Step 4: Simplify right side
2,563,762.80x = 8,635,824,134,400.24 - Step 5: Solve for x
x = 8,635,824,134,400.24/2,563,762.80 - Step 6: Final answer
x = 3,368,417.75
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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.