Finding the Fourth Proportional to 1,806,660.51, 2,708,331.11 and 781,349.50
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Solution
The fourth proportional to 1,806,660.51, 2,708,331.11 and 781,349.50 is: 1,171,306.47
Step by Step Solution
- Step 1: Write the proportion equation
1,806,660.51 : 2,708,331.11 = 781,349.50 : x - Step 2: Convert to fraction form
1,806,660.51/2,708,331.11 = 781,349.50/x - Step 3: Cross multiply
1,806,660.51x = 2,708,331.11 × 781,349.50 - Step 4: Simplify right side
1,806,660.51x = 2,116,153,145,091.29 - Step 5: Solve for x
x = 2,116,153,145,091.29/1,806,660.51 - Step 6: Final answer
x = 1,171,306.47
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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.