Finding the Fourth Proportional to 3,119,445.75, 4,679,168.63 and 1,124,901.75
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Solution
The fourth proportional to 3,119,445.75, 4,679,168.63 and 1,124,901.75 is: 1,687,352.63
Step by Step Solution
- Step 1: Write the proportion equation
3,119,445.75 : 4,679,168.63 = 1,124,901.75 : x - Step 2: Convert to fraction form
3,119,445.75/4,679,168.63 = 1,124,901.75/x - Step 3: Cross multiply
3,119,445.75x = 4,679,168.63 × 1,124,901.75 - Step 4: Simplify right side
3,119,445.75x = 5,263,604,974,807.59 - Step 5: Solve for x
x = 5,263,604,974,807.59/3,119,445.75 - Step 6: Final answer
x = 1,687,352.63
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1.5x scale
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.