Finding the Fourth Proportional to 1,555,110.29, 2,145,792.06 and 866,631.21
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Solution
The fourth proportional to 1,555,110.29, 2,145,792.06 and 866,631.21 is: 1,195,806.10
Step by Step Solution
- Step 1: Write the proportion equation
1,555,110.29 : 2,145,792.06 = 866,631.21 : x - Step 2: Convert to fraction form
1,555,110.29/2,145,792.06 = 866,631.21/x - Step 3: Cross multiply
1,555,110.29x = 2,145,792.06 × 866,631.21 - Step 4: Simplify right side
1,555,110.29x = 1,859,610,369,366.19 - Step 5: Solve for x
x = 1,859,610,369,366.19/1,555,110.29 - Step 6: Final answer
x = 1,195,806.10
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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.