Finding the Fourth Proportional to 5,112,406.08, 7,660,726.08 and 2,515,729.92
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Solution
The fourth proportional to 5,112,406.08, 7,660,726.08 and 2,515,729.92 is: 3,769,715.77
Step by Step Solution
- Step 1: Write the proportion equation
5,112,406.08 : 7,660,726.08 = 2,515,729.92 : x - Step 2: Convert to fraction form
5,112,406.08/7,660,726.08 = 2,515,729.92/x - Step 3: Cross multiply
5,112,406.08x = 7,660,726.08 × 2,515,729.92 - Step 4: Simplify right side
5,112,406.08x = 19,272,317,808,380.31 - Step 5: Solve for x
x = 19,272,317,808,380.31/5,112,406.08 - Step 6: Final answer
x = 3,769,715.77
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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.