Finding the Fourth Proportional to 2,990,509.56, 4,484,188.08 and 1,305,644.76
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Solution
The fourth proportional to 2,990,509.56, 4,484,188.08 and 1,305,644.76 is: 1,957,778.95
Step by Step Solution
- Step 1: Write the proportion equation
2,990,509.56 : 4,484,188.08 = 1,305,644.76 : x - Step 2: Convert to fraction form
2,990,509.56/4,484,188.08 = 1,305,644.76/x - Step 3: Cross multiply
2,990,509.56x = 4,484,188.08 × 1,305,644.76 - Step 4: Simplify right side
2,990,509.56x = 5,854,756,669,506.46 - Step 5: Solve for x
x = 5,854,756,669,506.46/2,990,509.56 - Step 6: Final answer
x = 1,957,778.95
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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.