Finding the Fourth Proportional to 1,477,507.19, 2,216,261.21 and 355,576.19
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Solution
The fourth proportional to 1,477,507.19, 2,216,261.21 and 355,576.19 is: 533,364.39
Step by Step Solution
- Step 1: Write the proportion equation
1,477,507.19 : 2,216,261.21 = 355,576.19 : x - Step 2: Convert to fraction form
1,477,507.19/2,216,261.21 = 355,576.19/x - Step 3: Cross multiply
1,477,507.19x = 2,216,261.21 × 355,576.19 - Step 4: Simplify right side
1,477,507.19x = 788,049,720,859.36 - Step 5: Solve for x
x = 788,049,720,859.36/1,477,507.19 - Step 6: Final answer
x = 533,364.39
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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.