Finding the Fourth Proportional to 1,916,323.92, 2,644,628.04 and 1,343,154.96
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Solution
The fourth proportional to 1,916,323.92, 2,644,628.04 and 1,343,154.96 is: 1,853,624.66
Step by Step Solution
- Step 1: Write the proportion equation
1,916,323.92 : 2,644,628.04 = 1,343,154.96 : x - Step 2: Convert to fraction form
1,916,323.92/2,644,628.04 = 1,343,154.96/x - Step 3: Cross multiply
1,916,323.92x = 2,644,628.04 × 1,343,154.96 - Step 4: Simplify right side
1,916,323.92x = 3,552,145,269,281.08 - Step 5: Solve for x
x = 3,552,145,269,281.08/1,916,323.92 - Step 6: Final answer
x = 1,853,624.66
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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.