Finding the Fourth Proportional to 1,146,099.99, 1,719,418.91 and 1,127,058.51
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Solution
The fourth proportional to 1,146,099.99, 1,719,418.91 and 1,127,058.51 is: 1,690,852.22
Step by Step Solution
- Step 1: Write the proportion equation
1,146,099.99 : 1,719,418.91 = 1,127,058.51 : x - Step 2: Convert to fraction form
1,146,099.99/1,719,418.91 = 1,127,058.51/x - Step 3: Cross multiply
1,146,099.99x = 1,719,418.91 × 1,127,058.51 - Step 4: Simplify right side
1,146,099.99x = 1,937,885,709,135.13 - Step 5: Solve for x
x = 1,937,885,709,135.13/1,146,099.99 - Step 6: Final answer
x = 1,690,852.22
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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.