Finding the Fourth Proportional to 2,586,244.88, 3,569,128.67 and 1,440,325.23
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Solution
The fourth proportional to 2,586,244.88, 3,569,128.67 and 1,440,325.23 is: 1,987,710.49
Step by Step Solution
- Step 1: Write the proportion equation
2,586,244.88 : 3,569,128.67 = 1,440,325.23 : x - Step 2: Convert to fraction form
2,586,244.88/3,569,128.67 = 1,440,325.23/x - Step 3: Cross multiply
2,586,244.88x = 3,569,128.67 × 1,440,325.23 - Step 4: Simplify right side
2,586,244.88x = 5,140,706,065,315.72 - Step 5: Solve for x
x = 5,140,706,065,315.72/2,586,244.88 - Step 6: Final answer
x = 1,987,710.49
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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.