Finding the Fourth Proportional to 4,518,811.56, 6,235,937.40 and 2,453,808.72
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Solution
The fourth proportional to 4,518,811.56, 6,235,937.40 and 2,453,808.72 is: 3,386,243.79
Step by Step Solution
- Step 1: Write the proportion equation
4,518,811.56 : 6,235,937.40 = 2,453,808.72 : x - Step 2: Convert to fraction form
4,518,811.56/6,235,937.40 = 2,453,808.72/x - Step 3: Cross multiply
4,518,811.56x = 6,235,937.40 × 2,453,808.72 - Step 4: Simplify right side
4,518,811.56x = 15,301,797,569,494.13 - Step 5: Solve for x
x = 15,301,797,569,494.13/4,518,811.56 - Step 6: Final answer
x = 3,386,243.79
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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.