Finding the Fourth Proportional to 2,430,223.75, 3,353,708.78 and 1,357,135.75
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Solution
The fourth proportional to 2,430,223.75, 3,353,708.78 and 1,357,135.75 is: 1,872,847.34
Step by Step Solution
- Step 1: Write the proportion equation
2,430,223.75 : 3,353,708.78 = 1,357,135.75 : x - Step 2: Convert to fraction form
2,430,223.75/3,353,708.78 = 1,357,135.75/x - Step 3: Cross multiply
2,430,223.75x = 3,353,708.78 × 1,357,135.75 - Step 4: Simplify right side
2,430,223.75x = 4,551,438,080,426.89 - Step 5: Solve for x
x = 4,551,438,080,426.89/2,430,223.75 - Step 6: Final answer
x = 1,872,847.34
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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.