Finding the Fourth Proportional to 6,444,830.55, 8,893,688.76 and 3,544,221.42
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Solution
The fourth proportional to 6,444,830.55, 8,893,688.76 and 3,544,221.42 is: 4,890,928.00
Step by Step Solution
- Step 1: Write the proportion equation
6,444,830.55 : 8,893,688.76 = 3,544,221.42 : x - Step 2: Convert to fraction form
6,444,830.55/8,893,688.76 = 3,544,221.42/x - Step 3: Cross multiply
6,444,830.55x = 8,893,688.76 × 3,544,221.42 - Step 4: Simplify right side
6,444,830.55x = 31,521,202,206,005.24 - Step 5: Solve for x
x = 31,521,202,206,005.24/6,444,830.55 - Step 6: Final answer
x = 4,890,928.00
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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.