Finding the Fourth Proportional to 6,686,140.55, 9,226,910.93 and 3,630,354.80
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Solution
The fourth proportional to 6,686,140.55, 9,226,910.93 and 3,630,354.80 is: 5,009,909.69
Step by Step Solution
- Step 1: Write the proportion equation
6,686,140.55 : 9,226,910.93 = 3,630,354.80 : x - Step 2: Convert to fraction form
6,686,140.55/9,226,910.93 = 3,630,354.80/x - Step 3: Cross multiply
6,686,140.55x = 9,226,910.93 × 3,630,354.80 - Step 4: Simplify right side
6,686,140.55x = 33,496,960,319,611.64 - Step 5: Solve for x
x = 33,496,960,319,611.64/6,686,140.55 - Step 6: Final answer
x = 5,009,909.69
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1.5x scale
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.