Finding the Fourth Proportional to 5,439,698.22, 7,506,624.32 and 2,992,307.92
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Solution
The fourth proportional to 5,439,698.22, 7,506,624.32 and 2,992,307.92 is: 4,129,297.35
Step by Step Solution
- Step 1: Write the proportion equation
5,439,698.22 : 7,506,624.32 = 2,992,307.92 : x - Step 2: Convert to fraction form
5,439,698.22/7,506,624.32 = 2,992,307.92/x - Step 3: Cross multiply
5,439,698.22x = 7,506,624.32 × 2,992,307.92 - Step 4: Simplify right side
5,439,698.22x = 22,462,131,441,750.16 - Step 5: Solve for x
x = 22,462,131,441,750.16/5,439,698.22 - Step 6: Final answer
x = 4,129,297.35
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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.