Finding the Fourth Proportional to 1,475,964.22, 2,214,646.17 and 878,106.46
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Solution
The fourth proportional to 1,475,964.22, 2,214,646.17 and 878,106.46 is: 1,317,576.05
Step by Step Solution
- Step 1: Write the proportion equation
1,475,964.22 : 2,214,646.17 = 878,106.46 : x - Step 2: Convert to fraction form
1,475,964.22/2,214,646.17 = 878,106.46/x - Step 3: Cross multiply
1,475,964.22x = 2,214,646.17 × 878,106.46 - Step 4: Simplify right side
1,475,964.22x = 1,944,695,108,491.26 - Step 5: Solve for x
x = 1,944,695,108,491.26/1,475,964.22 - Step 6: Final answer
x = 1,317,576.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.