Finding the Fourth Proportional to 1,588,879.72, 2,192,699.40 and 968,720.68
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Solution
The fourth proportional to 1,588,879.72, 2,192,699.40 and 968,720.68 is: 1,336,862.21
Step by Step Solution
- Step 1: Write the proportion equation
1,588,879.72 : 2,192,699.40 = 968,720.68 : x - Step 2: Convert to fraction form
1,588,879.72/2,192,699.40 = 968,720.68/x - Step 3: Cross multiply
1,588,879.72x = 2,192,699.40 × 968,720.68 - Step 4: Simplify right side
1,588,879.72x = 2,124,113,253,803.59 - Step 5: Solve for x
x = 2,124,113,253,803.59/1,588,879.72 - Step 6: Final answer
x = 1,336,862.21
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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.