Finding the Fourth Proportional to 1,447,717.21, 1,997,852.10 and 803,137.42
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Solution
The fourth proportional to 1,447,717.21, 1,997,852.10 and 803,137.42 is: 1,108,330.94
Step by Step Solution
- Step 1: Write the proportion equation
1,447,717.21 : 1,997,852.10 = 803,137.42 : x - Step 2: Convert to fraction form
1,447,717.21/1,997,852.10 = 803,137.42/x - Step 3: Cross multiply
1,447,717.21x = 1,997,852.10 × 803,137.42 - Step 4: Simplify right side
1,447,717.21x = 1,604,549,781,135.58 - Step 5: Solve for x
x = 1,604,549,781,135.58/1,447,717.21 - Step 6: Final answer
x = 1,108,330.94
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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.