Finding the Fourth Proportional to 4,128,575.86, 5,697,240.87 and 2,293,153.12
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Solution
The fourth proportional to 4,128,575.86, 5,697,240.87 and 2,293,153.12 is: 3,164,443.65
Step by Step Solution
- Step 1: Write the proportion equation
4,128,575.86 : 5,697,240.87 = 2,293,153.12 : x - Step 2: Convert to fraction form
4,128,575.86/5,697,240.87 = 2,293,153.12/x - Step 3: Cross multiply
4,128,575.86x = 5,697,240.87 × 2,293,153.12 - Step 4: Simplify right side
4,128,575.86x = 13,064,645,676,432.02 - Step 5: Solve for x
x = 13,064,645,676,432.02/4,128,575.86 - Step 6: Final answer
x = 3,164,443.65
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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.