Finding the Fourth Proportional to 1,873,139.24, 2,584,932.14 and 1,013,699.68
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Solution
The fourth proportional to 1,873,139.24, 2,584,932.14 and 1,013,699.68 is: 1,398,905.55
Step by Step Solution
- Step 1: Write the proportion equation
1,873,139.24 : 2,584,932.14 = 1,013,699.68 : x - Step 2: Convert to fraction form
1,873,139.24/2,584,932.14 = 1,013,699.68/x - Step 3: Cross multiply
1,873,139.24x = 2,584,932.14 × 1,013,699.68 - Step 4: Simplify right side
1,873,139.24x = 2,620,344,879,211.63 - Step 5: Solve for x
x = 2,620,344,879,211.63/1,873,139.24 - Step 6: Final answer
x = 1,398,905.55
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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.