Finding the Fourth Proportional to 1,802,680.99, 2,489,386.02 and 1,159,219.15
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Solution
The fourth proportional to 1,802,680.99, 2,489,386.02 and 1,159,219.15 is: 1,600,806.77
Step by Step Solution
- Step 1: Write the proportion equation
1,802,680.99 : 2,489,386.02 = 1,159,219.15 : x - Step 2: Convert to fraction form
1,802,680.99/2,489,386.02 = 1,159,219.15/x - Step 3: Cross multiply
1,802,680.99x = 2,489,386.02 × 1,159,219.15 - Step 4: Simplify right side
1,802,680.99x = 2,885,743,933,679.35 - Step 5: Solve for x
x = 2,885,743,933,679.35/1,802,680.99 - Step 6: Final answer
x = 1,600,806.77
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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.