Finding the Fourth Proportional to 1,948,202.43, 2,688,638.72 and 1,088,831.31
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Solution
The fourth proportional to 1,948,202.43, 2,688,638.72 and 1,088,831.31 is: 1,502,653.92
Step by Step Solution
- Step 1: Write the proportion equation
1,948,202.43 : 2,688,638.72 = 1,088,831.31 : x - Step 2: Convert to fraction form
1,948,202.43/2,688,638.72 = 1,088,831.31/x - Step 3: Cross multiply
1,948,202.43x = 2,688,638.72 × 1,088,831.31 - Step 4: Simplify right side
1,948,202.43x = 2,927,474,014,170.17 - Step 5: Solve for x
x = 2,927,474,014,170.17/1,948,202.43 - Step 6: Final answer
x = 1,502,653.92
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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.