Finding the Fourth Proportional to 2,488,425.12, 3,434,104.08 and 1,415,406.24
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Solution
The fourth proportional to 2,488,425.12, 3,434,104.08 and 1,415,406.24 is: 1,953,304.64
Step by Step Solution
- Step 1: Write the proportion equation
2,488,425.12 : 3,434,104.08 = 1,415,406.24 : x - Step 2: Convert to fraction form
2,488,425.12/3,434,104.08 = 1,415,406.24/x - Step 3: Cross multiply
2,488,425.12x = 3,434,104.08 × 1,415,406.24 - Step 4: Simplify right side
2,488,425.12x = 4,860,652,343,641.46 - Step 5: Solve for x
x = 4,860,652,343,641.46/2,488,425.12 - Step 6: Final answer
x = 1,953,304.64
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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.