Finding the Fourth Proportional to 1,865,702.34, 2,798,640.99 and 603,628.74
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Solution
The fourth proportional to 1,865,702.34, 2,798,640.99 and 603,628.74 is: 905,471.41
Step by Step Solution
- Step 1: Write the proportion equation
1,865,702.34 : 2,798,640.99 = 603,628.74 : x - Step 2: Convert to fraction form
1,865,702.34/2,798,640.99 = 603,628.74/x - Step 3: Cross multiply
1,865,702.34x = 2,798,640.99 × 603,628.74 - Step 4: Simplify right side
1,865,702.34x = 1,689,340,134,506.05 - Step 5: Solve for x
x = 1,689,340,134,506.05/1,865,702.34 - Step 6: Final answer
x = 905,471.41
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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.