Finding the Fourth Proportional to 1,604,439.50, 2,214,151.00 and 879,281.33
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Solution
The fourth proportional to 1,604,439.50, 2,214,151.00 and 879,281.33 is: 1,213,421.65
Step by Step Solution
- Step 1: Write the proportion equation
1,604,439.50 : 2,214,151.00 = 879,281.33 : x - Step 2: Convert to fraction form
1,604,439.50/2,214,151.00 = 879,281.33/x - Step 3: Cross multiply
1,604,439.50x = 2,214,151.00 × 879,281.33 - Step 4: Simplify right side
1,604,439.50x = 1,946,861,622,831.87 - Step 5: Solve for x
x = 1,946,861,622,831.87/1,604,439.50 - Step 6: Final answer
x = 1,213,421.65
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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.