Finding the Fourth Proportional to 1,567,009.10, 2,162,562.60 and 878,901.68
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Solution
The fourth proportional to 1,567,009.10, 2,162,562.60 and 878,901.68 is: 1,212,934.82
Step by Step Solution
- Step 1: Write the proportion equation
1,567,009.10 : 2,162,562.60 = 878,901.68 : x - Step 2: Convert to fraction form
1,567,009.10/2,162,562.60 = 878,901.68/x - Step 3: Cross multiply
1,567,009.10x = 2,162,562.60 × 878,901.68 - Step 4: Simplify right side
1,567,009.10x = 1,900,679,891,432.36 - Step 5: Solve for x
x = 1,900,679,891,432.36/1,567,009.10 - Step 6: Final answer
x = 1,212,934.82
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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.