Finding the Fourth Proportional to 2,006,139.05, 2,768,471.59 and 1,146,717.76
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Solution
The fourth proportional to 2,006,139.05, 2,768,471.59 and 1,146,717.76 is: 1,582,470.34
Step by Step Solution
- Step 1: Write the proportion equation
2,006,139.05 : 2,768,471.59 = 1,146,717.76 : x - Step 2: Convert to fraction form
2,006,139.05/2,768,471.59 = 1,146,717.76/x - Step 3: Cross multiply
2,006,139.05x = 2,768,471.59 × 1,146,717.76 - Step 4: Simplify right side
2,006,139.05x = 3,174,655,534,636.30 - Step 5: Solve for x
x = 3,174,655,534,636.30/2,006,139.05 - Step 6: Final answer
x = 1,582,470.34
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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.