Finding the Fourth Proportional to 2,635,840.08, 3,949,246.62 and 1,438,602.45
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Solution
The fourth proportional to 2,635,840.08, 3,949,246.62 and 1,438,602.45 is: 2,155,440.27
Step by Step Solution
- Step 1: Write the proportion equation
2,635,840.08 : 3,949,246.62 = 1,438,602.45 : x - Step 2: Convert to fraction form
2,635,840.08/3,949,246.62 = 1,438,602.45/x - Step 3: Cross multiply
2,635,840.08x = 3,949,246.62 × 1,438,602.45 - Step 4: Simplify right side
2,635,840.08x = 5,681,395,863,186.22 - Step 5: Solve for x
x = 5,681,395,863,186.22/2,635,840.08 - Step 6: Final answer
x = 2,155,440.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.