Finding the Fourth Proportional to 4,985,203.99, 7,474,810.74 and 1,948,953.55
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Solution
The fourth proportional to 4,985,203.99, 7,474,810.74 and 1,948,953.55 is: 2,922,259.34
Step by Step Solution
- Step 1: Write the proportion equation
4,985,203.99 : 7,474,810.74 = 1,948,953.55 : x - Step 2: Convert to fraction form
4,985,203.99/7,474,810.74 = 1,948,953.55/x - Step 3: Cross multiply
4,985,203.99x = 7,474,810.74 × 1,948,953.55 - Step 4: Simplify right side
4,985,203.99x = 14,568,058,927,301.13 - Step 5: Solve for x
x = 14,568,058,927,301.13/4,985,203.99 - Step 6: Final answer
x = 2,922,259.34
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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.