Finding the Fourth Proportional to 2,051,811.22, 2,831,646.09 and 1,134,020.62
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Solution
The fourth proportional to 2,051,811.22, 2,831,646.09 and 1,134,020.62 is: 1,565,029.48
Step by Step Solution
- Step 1: Write the proportion equation
2,051,811.22 : 2,831,646.09 = 1,134,020.62 : x - Step 2: Convert to fraction form
2,051,811.22/2,831,646.09 = 1,134,020.62/x - Step 3: Cross multiply
2,051,811.22x = 2,831,646.09 × 1,134,020.62 - Step 4: Simplify right side
2,051,811.22x = 3,211,145,054,602.38 - Step 5: Solve for x
x = 3,211,145,054,602.38/2,051,811.22 - Step 6: Final answer
x = 1,565,029.48
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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.