Finding the Fourth Proportional to 1,912,416.08, 2,867,955.42 and 564,220.76
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Solution
The fourth proportional to 1,912,416.08, 2,867,955.42 and 564,220.76 is: 846,133.85
Step by Step Solution
- Step 1: Write the proportion equation
1,912,416.08 : 2,867,955.42 = 564,220.76 : x - Step 2: Convert to fraction form
1,912,416.08/2,867,955.42 = 564,220.76/x - Step 3: Cross multiply
1,912,416.08x = 2,867,955.42 × 564,220.76 - Step 4: Simplify right side
1,912,416.08x = 1,618,159,986,718.52 - Step 5: Solve for x
x = 1,618,159,986,718.52/1,912,416.08 - Step 6: Final answer
x = 846,133.85
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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.