Finding the Fourth Proportional to 2,970,197.79, 4,098,170.41 and 1,681,038.14
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Solution
The fourth proportional to 2,970,197.79, 4,098,170.41 and 1,681,038.14 is: 2,319,435.01
Step by Step Solution
- Step 1: Write the proportion equation
2,970,197.79 : 4,098,170.41 = 1,681,038.14 : x - Step 2: Convert to fraction form
2,970,197.79/4,098,170.41 = 1,681,038.14/x - Step 3: Cross multiply
2,970,197.79x = 4,098,170.41 × 1,681,038.14 - Step 4: Simplify right side
2,970,197.79x = 6,889,180,738,735.99 - Step 5: Solve for x
x = 6,889,180,738,735.99/2,970,197.79 - Step 6: Final answer
x = 2,319,435.01
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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.