Finding the Fourth Proportional to 4,390,490.21, 6,585,698.35 and 3,431,752.24
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Solution
The fourth proportional to 4,390,490.21, 6,585,698.35 and 3,431,752.24 is: 5,147,599.47
Step by Step Solution
- Step 1: Write the proportion equation
4,390,490.21 : 6,585,698.35 = 3,431,752.24 : x - Step 2: Convert to fraction form
4,390,490.21/6,585,698.35 = 3,431,752.24/x - Step 3: Cross multiply
4,390,490.21x = 6,585,698.35 × 3,431,752.24 - Step 4: Simplify right side
4,390,490.21x = 22,600,485,039,533.18 - Step 5: Solve for x
x = 22,600,485,039,533.18/4,390,490.21 - Step 6: Final answer
x = 5,147,599.47
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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.