Finding the Fourth Proportional to 2,828,402.15, 3,903,283.49 and 1,604,759.18
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Solution
The fourth proportional to 2,828,402.15, 3,903,283.49 and 1,604,759.18 is: 2,214,617.89
Step by Step Solution
- Step 1: Write the proportion equation
2,828,402.15 : 3,903,283.49 = 1,604,759.18 : x - Step 2: Convert to fraction form
2,828,402.15/3,903,283.49 = 1,604,759.18/x - Step 3: Cross multiply
2,828,402.15x = 3,903,283.49 × 1,604,759.18 - Step 4: Simplify right side
2,828,402.15x = 6,263,829,985,179.73 - Step 5: Solve for x
x = 6,263,829,985,179.73/2,828,402.15 - Step 6: Final answer
x = 2,214,617.89
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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.