Finding the Fourth Proportional to 1,776,570.70, 2,660,919.45 and 1,461,642.70
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Solution
The fourth proportional to 1,776,570.70, 2,660,919.45 and 1,461,642.70 is: 2,189,225.28
Step by Step Solution
- Step 1: Write the proportion equation
1,776,570.70 : 2,660,919.45 = 1,461,642.70 : x - Step 2: Convert to fraction form
1,776,570.70/2,660,919.45 = 1,461,642.70/x - Step 3: Cross multiply
1,776,570.70x = 2,660,919.45 × 1,461,642.70 - Step 4: Simplify right side
1,776,570.70x = 3,889,313,489,380.52 - Step 5: Solve for x
x = 3,889,313,489,380.52/1,776,570.70 - Step 6: Final answer
x = 2,189,225.28
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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.