Finding the Fourth Proportional to 2,686,434.24, 3,707,345.68 and 1,462,806.80
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Solution
The fourth proportional to 2,686,434.24, 3,707,345.68 and 1,462,806.80 is: 2,018,709.56
Step by Step Solution
- Step 1: Write the proportion equation
2,686,434.24 : 3,707,345.68 = 1,462,806.80 : x - Step 2: Convert to fraction form
2,686,434.24/3,707,345.68 = 1,462,806.80/x - Step 3: Cross multiply
2,686,434.24x = 3,707,345.68 × 1,462,806.80 - Step 4: Simplify right side
2,686,434.24x = 5,423,130,470,654.62 - Step 5: Solve for x
x = 5,423,130,470,654.62/2,686,434.24 - Step 6: Final answer
x = 2,018,709.56
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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.