Finding the Fourth Proportional to 2,028,135.70, 2,798,827.86 and 1,122,717.70
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Solution
The fourth proportional to 2,028,135.70, 2,798,827.86 and 1,122,717.70 is: 1,549,350.75
Step by Step Solution
- Step 1: Write the proportion equation
2,028,135.70 : 2,798,827.86 = 1,122,717.70 : x - Step 2: Convert to fraction form
2,028,135.70/2,798,827.86 = 1,122,717.70/x - Step 3: Cross multiply
2,028,135.70x = 2,798,827.86 × 1,122,717.70 - Step 4: Simplify right side
2,028,135.70x = 3,142,293,577,675.12 - Step 5: Solve for x
x = 3,142,293,577,675.12/2,028,135.70 - Step 6: Final answer
x = 1,549,350.75
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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.