Finding the Fourth Proportional to 1,660,147.18, 2,291,166.08 and 971,777.59
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Solution
The fourth proportional to 1,660,147.18, 2,291,166.08 and 971,777.59 is: 1,341,148.47
Step by Step Solution
- Step 1: Write the proportion equation
1,660,147.18 : 2,291,166.08 = 971,777.59 : x - Step 2: Convert to fraction form
1,660,147.18/2,291,166.08 = 971,777.59/x - Step 3: Cross multiply
1,660,147.18x = 2,291,166.08 × 971,777.59 - Step 4: Simplify right side
1,660,147.18x = 2,226,503,851,512.15 - Step 5: Solve for x
x = 2,226,503,851,512.15/1,660,147.18 - Step 6: Final answer
x = 1,341,148.47
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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.