Finding the Fourth Proportional to 3,189,069.55, 4,402,706.84 and 2,210,430.79
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Solution
The fourth proportional to 3,189,069.55, 4,402,706.84 and 2,210,430.79 is: 3,051,635.78
Step by Step Solution
- Step 1: Write the proportion equation
3,189,069.55 : 4,402,706.84 = 2,210,430.79 : x - Step 2: Convert to fraction form
3,189,069.55/4,402,706.84 = 2,210,430.79/x - Step 3: Cross multiply
3,189,069.55x = 4,402,706.84 × 2,210,430.79 - Step 4: Simplify right side
3,189,069.55x = 9,731,878,758,479.60 - Step 5: Solve for x
x = 9,731,878,758,479.60/3,189,069.55 - Step 6: Final answer
x = 3,051,635.78
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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.