Finding the Fourth Proportional to 1,790,645.78, 2,471,010.62 and 974,828.76
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Solution
The fourth proportional to 1,790,645.78, 2,471,010.62 and 974,828.76 is: 1,345,219.83
Step by Step Solution
- Step 1: Write the proportion equation
1,790,645.78 : 2,471,010.62 = 974,828.76 : x - Step 2: Convert to fraction form
1,790,645.78/2,471,010.62 = 974,828.76/x - Step 3: Cross multiply
1,790,645.78x = 2,471,010.62 × 974,828.76 - Step 4: Simplify right side
1,790,645.78x = 2,408,812,213,767.29 - Step 5: Solve for x
x = 2,408,812,213,767.29/1,790,645.78 - Step 6: Final answer
x = 1,345,219.83
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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.