Finding the Fourth Proportional to 2,990,305.55, 4,487,852.49 and 1,551,401.30
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Solution
The fourth proportional to 2,990,305.55, 4,487,852.49 and 1,551,401.30 is: 2,328,344.07
Step by Step Solution
- Step 1: Write the proportion equation
2,990,305.55 : 4,487,852.49 = 1,551,401.30 : x - Step 2: Convert to fraction form
2,990,305.55/4,487,852.49 = 1,551,401.30/x - Step 3: Cross multiply
2,990,305.55x = 4,487,852.49 × 1,551,401.30 - Step 4: Simplify right side
2,990,305.55x = 6,962,460,192,596.11 - Step 5: Solve for x
x = 6,962,460,192,596.11/2,990,305.55 - Step 6: Final answer
x = 2,328,344.07
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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.