Finding the Fourth Proportional to 1,660,277.97, 2,291,691.69 and 972,111.15
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Solution
The fourth proportional to 1,660,277.97, 2,291,691.69 and 972,111.15 is: 1,341,810.88
Step by Step Solution
- Step 1: Write the proportion equation
1,660,277.97 : 2,291,691.69 = 972,111.15 : x - Step 2: Convert to fraction form
1,660,277.97/2,291,691.69 = 972,111.15/x - Step 3: Cross multiply
1,660,277.97x = 2,291,691.69 × 972,111.15 - Step 4: Simplify right side
1,660,277.97x = 2,227,779,044,211.34 - Step 5: Solve for x
x = 2,227,779,044,211.34/1,660,277.97 - Step 6: Final answer
x = 1,341,810.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.