Finding the Fourth Proportional to 2,646,586.36, 3,968,281.50 and 1,187,366.32
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Solution
The fourth proportional to 2,646,586.36, 3,968,281.50 and 1,187,366.32 is: 1,780,332.53
Step by Step Solution
- Step 1: Write the proportion equation
2,646,586.36 : 3,968,281.50 = 1,187,366.32 : x - Step 2: Convert to fraction form
2,646,586.36/3,968,281.50 = 1,187,366.32/x - Step 3: Cross multiply
2,646,586.36x = 3,968,281.50 × 1,187,366.32 - Step 4: Simplify right side
2,646,586.36x = 4,711,803,801,379.08 - Step 5: Solve for x
x = 4,711,803,801,379.08/2,646,586.36 - Step 6: Final answer
x = 1,780,332.53
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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.