Finding the Fourth Proportional to 4,155,978.70, 6,237,904.65 and 2,561,655.70
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Solution
The fourth proportional to 4,155,978.70, 6,237,904.65 and 2,561,655.70 is: 3,844,909.99
Step by Step Solution
- Step 1: Write the proportion equation
4,155,978.70 : 6,237,904.65 = 2,561,655.70 : x - Step 2: Convert to fraction form
4,155,978.70/6,237,904.65 = 2,561,655.70/x - Step 3: Cross multiply
4,155,978.70x = 6,237,904.65 × 2,561,655.70 - Step 4: Simplify right side
4,155,978.70x = 15,979,364,002,729.01 - Step 5: Solve for x
x = 15,979,364,002,729.01/4,155,978.70 - Step 6: Final answer
x = 3,844,909.99
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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.