Finding the Fourth Proportional to 2,038,800.40, 2,813,472.54 and 1,121,023.11
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Solution
The fourth proportional to 2,038,800.40, 2,813,472.54 and 1,121,023.11 is: 1,546,972.30
Step by Step Solution
- Step 1: Write the proportion equation
2,038,800.40 : 2,813,472.54 = 1,121,023.11 : x - Step 2: Convert to fraction form
2,038,800.40/2,813,472.54 = 1,121,023.11/x - Step 3: Cross multiply
2,038,800.40x = 2,813,472.54 × 1,121,023.11 - Step 4: Simplify right side
2,038,800.40x = 3,153,967,747,240.92 - Step 5: Solve for x
x = 3,153,967,747,240.92/2,038,800.40 - Step 6: Final answer
x = 1,546,972.30
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1.5x scale
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.