Finding the Fourth Proportional to 4,319,544.22, 6,479,703.72 and 1,124,698.10
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Solution
The fourth proportional to 4,319,544.22, 6,479,703.72 and 1,124,698.10 is: 1,687,148.02
Step by Step Solution
- Step 1: Write the proportion equation
4,319,544.22 : 6,479,703.72 = 1,124,698.10 : x - Step 2: Convert to fraction form
4,319,544.22/6,479,703.72 = 1,124,698.10/x - Step 3: Cross multiply
4,319,544.22x = 6,479,703.72 × 1,124,698.10 - Step 4: Simplify right side
4,319,544.22x = 7,287,710,462,446.93 - Step 5: Solve for x
x = 7,287,710,462,446.93/4,319,544.22 - Step 6: Final answer
x = 1,687,148.02
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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.