Finding the Fourth Proportional to 1,447,919.77, 1,998,129.58 and 803,338.42
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Solution
The fourth proportional to 1,447,919.77, 1,998,129.58 and 803,338.42 is: 1,108,607.19
Step by Step Solution
- Step 1: Write the proportion equation
1,447,919.77 : 1,998,129.58 = 803,338.42 : x - Step 2: Convert to fraction form
1,447,919.77/1,998,129.58 = 803,338.42/x - Step 3: Cross multiply
1,447,919.77x = 1,998,129.58 × 803,338.42 - Step 4: Simplify right side
1,447,919.77x = 1,605,174,260,434.81 - Step 5: Solve for x
x = 1,605,174,260,434.81/1,447,919.77 - Step 6: Final answer
x = 1,108,607.19
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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.