Finding the Fourth Proportional to 1,738,220.90, 2,607,331.35 and 1,259,219.30
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Solution
The fourth proportional to 1,738,220.90, 2,607,331.35 and 1,259,219.30 is: 1,888,828.95
Step by Step Solution
- Step 1: Write the proportion equation
1,738,220.90 : 2,607,331.35 = 1,259,219.30 : x - Step 2: Convert to fraction form
1,738,220.90/2,607,331.35 = 1,259,219.30/x - Step 3: Cross multiply
1,738,220.90x = 2,607,331.35 × 1,259,219.30 - Step 4: Simplify right side
1,738,220.90x = 3,283,201,957,415.06 - Step 5: Solve for x
x = 3,283,201,957,415.06/1,738,220.90 - Step 6: Final answer
x = 1,888,828.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.