Finding the Fourth Proportional to 8,402,272.80, 12,604,964.40 and 2,722,682.40
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Solution
The fourth proportional to 8,402,272.80, 12,604,964.40 and 2,722,682.40 is: 4,084,527.55
Step by Step Solution
- Step 1: Write the proportion equation
8,402,272.80 : 12,604,964.40 = 2,722,682.40 : x - Step 2: Convert to fraction form
8,402,272.80/12,604,964.40 = 2,722,682.40/x - Step 3: Cross multiply
8,402,272.80x = 12,604,964.40 × 2,722,682.40 - Step 4: Simplify right side
8,402,272.80x = 34,319,314,724,506.56 - Step 5: Solve for x
x = 34,319,314,724,506.56/8,402,272.80 - Step 6: Final answer
x = 4,084,527.55
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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.