Finding the Fourth Proportional to 2,902,113.80, 4,353,170.70 and 907,569.80
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Solution
The fourth proportional to 2,902,113.80, 4,353,170.70 and 907,569.80 is: 1,361,354.70
Step by Step Solution
- Step 1: Write the proportion equation
2,902,113.80 : 4,353,170.70 = 907,569.80 : x - Step 2: Convert to fraction form
2,902,113.80/4,353,170.70 = 907,569.80/x - Step 3: Cross multiply
2,902,113.80x = 4,353,170.70 × 907,569.80 - Step 4: Simplify right side
2,902,113.80x = 3,950,806,261,564.86 - Step 5: Solve for x
x = 3,950,806,261,564.86/2,902,113.80 - Step 6: Final answer
x = 1,361,354.70
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1.5x scale
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.