Finding the Fourth Proportional to 2,006,206.97, 2,768,565.80 and 1,146,785.99
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Solution
The fourth proportional to 2,006,206.97, 2,768,565.80 and 1,146,785.99 is: 1,582,564.77
Step by Step Solution
- Step 1: Write the proportion equation
2,006,206.97 : 2,768,565.80 = 1,146,785.99 : x - Step 2: Convert to fraction form
2,006,206.97/2,768,565.80 = 1,146,785.99/x - Step 3: Cross multiply
2,006,206.97x = 2,768,565.80 × 1,146,785.99 - Step 4: Simplify right side
2,006,206.97x = 3,174,952,466,099.21 - Step 5: Solve for x
x = 3,174,952,466,099.21/2,006,206.97 - Step 6: Final answer
x = 1,582,564.77
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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.