Finding the Fourth Proportional to 5,437,695.22, 7,503,860.68 and 2,990,303.70
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Solution
The fourth proportional to 5,437,695.22, 7,503,860.68 and 2,990,303.70 is: 4,126,531.82
Step by Step Solution
- Step 1: Write the proportion equation
5,437,695.22 : 7,503,860.68 = 2,990,303.70 : x - Step 2: Convert to fraction form
5,437,695.22/7,503,860.68 = 2,990,303.70/x - Step 3: Cross multiply
5,437,695.22x = 7,503,860.68 × 2,990,303.70 - Step 4: Simplify right side
5,437,695.22x = 22,438,822,355,688.52 - Step 5: Solve for x
x = 22,438,822,355,688.52/5,437,695.22 - Step 6: Final answer
x = 4,126,531.82
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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.