Finding the Fourth Proportional to 1,081,011.70, 1,622,639.52 and 626,490.98
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Solution
The fourth proportional to 1,081,011.70, 1,622,639.52 and 626,490.98 is: 940,386.70
Step by Step Solution
- Step 1: Write the proportion equation
1,081,011.70 : 1,622,639.52 = 626,490.98 : x - Step 2: Convert to fraction form
1,081,011.70/1,622,639.52 = 626,490.98/x - Step 3: Cross multiply
1,081,011.70x = 1,622,639.52 × 626,490.98 - Step 4: Simplify right side
1,081,011.70x = 1,016,569,023,071.53 - Step 5: Solve for x
x = 1,016,569,023,071.53/1,081,011.70 - Step 6: Final answer
x = 940,386.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.