Finding the Fourth Proportional to 2,238,478.99, 3,088,224.03 and 1,377,544.57
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Solution
The fourth proportional to 2,238,478.99, 3,088,224.03 and 1,377,544.57 is: 1,900,471.82
Step by Step Solution
- Step 1: Write the proportion equation
2,238,478.99 : 3,088,224.03 = 1,377,544.57 : x - Step 2: Convert to fraction form
2,238,478.99/3,088,224.03 = 1,377,544.57/x - Step 3: Cross multiply
2,238,478.99x = 3,088,224.03 × 1,377,544.57 - Step 4: Simplify right side
2,238,478.99x = 4,254,166,243,470.02 - Step 5: Solve for x
x = 4,254,166,243,470.02/2,238,478.99 - Step 6: Final answer
x = 1,900,471.82
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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.