Finding the Fourth Proportional to 4,319,267.46, 6,479,688.51 and 2,161,420.98
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Solution
The fourth proportional to 4,319,267.46, 6,479,688.51 and 2,161,420.98 is: 3,242,525.46
Step by Step Solution
- Step 1: Write the proportion equation
4,319,267.46 : 6,479,688.51 = 2,161,420.98 : x - Step 2: Convert to fraction form
4,319,267.46/6,479,688.51 = 2,161,420.98/x - Step 3: Cross multiply
4,319,267.46x = 6,479,688.51 × 2,161,420.98 - Step 4: Simplify right side
4,319,267.46x = 14,005,334,689,378.94 - Step 5: Solve for x
x = 14,005,334,689,378.94/4,319,267.46 - Step 6: Final answer
x = 3,242,525.46
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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.