Finding the Fourth Proportional to 2,265,862.99, 3,126,890.93 and 1,247,267.74
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Solution
The fourth proportional to 2,265,862.99, 3,126,890.93 and 1,247,267.74 is: 1,721,229.48
Step by Step Solution
- Step 1: Write the proportion equation
2,265,862.99 : 3,126,890.93 = 1,247,267.74 : x - Step 2: Convert to fraction form
2,265,862.99/3,126,890.93 = 1,247,267.74/x - Step 3: Cross multiply
2,265,862.99x = 3,126,890.93 × 1,247,267.74 - Step 4: Simplify right side
2,265,862.99x = 3,900,070,189,353.31 - Step 5: Solve for x
x = 3,900,070,189,353.31/2,265,862.99 - Step 6: Final answer
x = 1,721,229.48
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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.