Finding the Fourth Proportional to 7,230,430.50, 10,838,460.99 and 3,625,193.80
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Solution
The fourth proportional to 7,230,430.50, 10,838,460.99 and 3,625,193.80 is: 5,434,188.41
Step by Step Solution
- Step 1: Write the proportion equation
7,230,430.50 : 10,838,460.99 = 3,625,193.80 : x - Step 2: Convert to fraction form
7,230,430.50/10,838,460.99 = 3,625,193.80/x - Step 3: Cross multiply
7,230,430.50x = 10,838,460.99 × 3,625,193.80 - Step 4: Simplify right side
7,230,430.50x = 39,291,521,609,632.41 - Step 5: Solve for x
x = 39,291,521,609,632.41/7,230,430.50 - Step 6: Final answer
x = 5,434,188.41
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1.5x scale
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.