Finding the Fourth Proportional to 1,660,156.20, 2,491,400.70 and 714,205.80
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Solution
The fourth proportional to 1,660,156.20, 2,491,400.70 and 714,205.80 is: 1,071,810.49
Step by Step Solution
- Step 1: Write the proportion equation
1,660,156.20 : 2,491,400.70 = 714,205.80 : x - Step 2: Convert to fraction form
1,660,156.20/2,491,400.70 = 714,205.80/x - Step 3: Cross multiply
1,660,156.20x = 2,491,400.70 × 714,205.80 - Step 4: Simplify right side
1,660,156.20x = 1,779,372,830,064.06 - Step 5: Solve for x
x = 1,779,372,830,064.06/1,660,156.20 - Step 6: Final answer
x = 1,071,810.49
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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.