Finding the Fourth Proportional to 1,627,598.02, 2,440,898.42 and 1,125,386.27
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Solution
The fourth proportional to 1,627,598.02, 2,440,898.42 and 1,125,386.27 is: 1,687,734.65
Step by Step Solution
- Step 1: Write the proportion equation
1,627,598.02 : 2,440,898.42 = 1,125,386.27 : x - Step 2: Convert to fraction form
1,627,598.02/2,440,898.42 = 1,125,386.27/x - Step 3: Cross multiply
1,627,598.02x = 2,440,898.42 × 1,125,386.27 - Step 4: Simplify right side
1,627,598.02x = 2,746,953,568,808.01 - Step 5: Solve for x
x = 2,746,953,568,808.01/1,627,598.02 - Step 6: Final answer
x = 1,687,734.65
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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.