Finding the Fourth Proportional to 1,809,618.06, 2,497,472.55 and 1,035,320.70
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Solution
The fourth proportional to 1,809,618.06, 2,497,472.55 and 1,035,320.70 is: 1,428,856.78
Step by Step Solution
- Step 1: Write the proportion equation
1,809,618.06 : 2,497,472.55 = 1,035,320.70 : x - Step 2: Convert to fraction form
1,809,618.06/2,497,472.55 = 1,035,320.70/x - Step 3: Cross multiply
1,809,618.06x = 2,497,472.55 × 1,035,320.70 - Step 4: Simplify right side
1,809,618.06x = 2,585,685,028,696.78 - Step 5: Solve for x
x = 2,585,685,028,696.78/1,809,618.06 - Step 6: Final answer
x = 1,428,856.78
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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.