Finding the Fourth Proportional to 1,623,660.57, 2,240,688.14 and 1,051,696.28
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Solution
The fourth proportional to 1,623,660.57, 2,240,688.14 and 1,051,696.28 is: 1,451,364.54
Step by Step Solution
- Step 1: Write the proportion equation
1,623,660.57 : 2,240,688.14 = 1,051,696.28 : x - Step 2: Convert to fraction form
1,623,660.57/2,240,688.14 = 1,051,696.28/x - Step 3: Cross multiply
1,623,660.57x = 2,240,688.14 × 1,051,696.28 - Step 4: Simplify right side
1,623,660.57x = 2,356,523,381,478.12 - Step 5: Solve for x
x = 2,356,523,381,478.12/1,623,660.57 - Step 6: Final answer
x = 1,451,364.54
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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.