Finding the Fourth Proportional to 1,947,679.20, 2,934,813.15 and 1,600,471.08
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Solution
The fourth proportional to 1,947,679.20, 2,934,813.15 and 1,600,471.08 is: 2,411,631.02
Step by Step Solution
- Step 1: Write the proportion equation
1,947,679.20 : 2,934,813.15 = 1,600,471.08 : x - Step 2: Convert to fraction form
1,947,679.20/2,934,813.15 = 1,600,471.08/x - Step 3: Cross multiply
1,947,679.20x = 2,934,813.15 × 1,600,471.08 - Step 4: Simplify right side
1,947,679.20x = 4,697,083,571,778.70 - Step 5: Solve for x
x = 4,697,083,571,778.70/1,947,679.20 - Step 6: Final answer
x = 2,411,631.02
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.