Finding the Fourth Proportional to 1,587,334.65, 2,190,539.56 and 934,105.08
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Solution
The fourth proportional to 1,587,334.65, 2,190,539.56 and 934,105.08 is: 1,289,075.45
Step by Step Solution
- Step 1: Write the proportion equation
1,587,334.65 : 2,190,539.56 = 934,105.08 : x - Step 2: Convert to fraction form
1,587,334.65/2,190,539.56 = 934,105.08/x - Step 3: Cross multiply
1,587,334.65x = 2,190,539.56 × 934,105.08 - Step 4: Simplify right side
1,587,334.65x = 2,046,194,130,936.97 - Step 5: Solve for x
x = 2,046,194,130,936.97/1,587,334.65 - Step 6: Final answer
x = 1,289,075.45
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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.