Finding the Fourth Proportional to 2,518,367.36, 3,475,245.54 and 1,372,423.10
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Solution
The fourth proportional to 2,518,367.36, 3,475,245.54 and 1,372,423.10 is: 1,893,888.61
Step by Step Solution
- Step 1: Write the proportion equation
2,518,367.36 : 3,475,245.54 = 1,372,423.10 : x - Step 2: Convert to fraction form
2,518,367.36/3,475,245.54 = 1,372,423.10/x - Step 3: Cross multiply
2,518,367.36x = 3,475,245.54 × 1,372,423.10 - Step 4: Simplify right side
2,518,367.36x = 4,769,507,257,267.97 - Step 5: Solve for x
x = 4,769,507,257,267.97/2,518,367.36 - Step 6: Final answer
x = 1,893,888.61
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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.