Finding the Fourth Proportional to 5,450,320.50, 7,521,612.08 and 3,127,638.34
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Solution
The fourth proportional to 5,450,320.50, 7,521,612.08 and 3,127,638.34 is: 4,316,238.34
Step by Step Solution
- Step 1: Write the proportion equation
5,450,320.50 : 7,521,612.08 = 3,127,638.34 : x - Step 2: Convert to fraction form
5,450,320.50/7,521,612.08 = 3,127,638.34/x - Step 3: Cross multiply
5,450,320.50x = 7,521,612.08 × 3,127,638.34 - Step 4: Simplify right side
5,450,320.50x = 23,524,882,309,030.21 - Step 5: Solve for x
x = 23,524,882,309,030.21/5,450,320.50 - Step 6: Final answer
x = 4,316,238.34
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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.