Finding the Fourth Proportional to 1,790,278.13, 2,470,581.36 and 974,479.29
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Solution
The fourth proportional to 1,790,278.13, 2,470,581.36 and 974,479.29 is: 1,344,780.08
Step by Step Solution
- Step 1: Write the proportion equation
1,790,278.13 : 2,470,581.36 = 974,479.29 : x - Step 2: Convert to fraction form
1,790,278.13/2,470,581.36 = 974,479.29/x - Step 3: Cross multiply
1,790,278.13x = 2,470,581.36 × 974,479.29 - Step 4: Simplify right side
1,790,278.13x = 2,407,530,376,953.10 - Step 5: Solve for x
x = 2,407,530,376,953.10/1,790,278.13 - Step 6: Final answer
x = 1,344,780.08
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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.