Finding the Fourth Proportional to 1,660,986.30, 2,491,479.45 and 1,395,265.80
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Solution
The fourth proportional to 1,660,986.30, 2,491,479.45 and 1,395,265.80 is: 2,092,898.70
Step by Step Solution
- Step 1: Write the proportion equation
1,660,986.30 : 2,491,479.45 = 1,395,265.80 : x - Step 2: Convert to fraction form
1,660,986.30/2,491,479.45 = 1,395,265.80/x - Step 3: Cross multiply
1,660,986.30x = 2,491,479.45 × 1,395,265.80 - Step 4: Simplify right side
1,660,986.30x = 3,476,276,067,987.81 - Step 5: Solve for x
x = 3,476,276,067,987.81/1,660,986.30 - Step 6: Final answer
x = 2,092,898.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.