Finding the Fourth Proportional to 5,185,726.96, 7,779,419.88 and 2,193,936.88
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Solution
The fourth proportional to 5,185,726.96, 7,779,419.88 and 2,193,936.88 is: 3,291,256.23
Step by Step Solution
- Step 1: Write the proportion equation
5,185,726.96 : 7,779,419.88 = 2,193,936.88 : x - Step 2: Convert to fraction form
5,185,726.96/7,779,419.88 = 2,193,936.88/x - Step 3: Cross multiply
5,185,726.96x = 7,779,419.88 × 2,193,936.88 - Step 4: Simplify right side
5,185,726.96x = 17,067,556,179,737.17 - Step 5: Solve for x
x = 17,067,556,179,737.17/5,185,726.96 - Step 6: Final answer
x = 3,291,256.23
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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.