Finding the Fourth Proportional to 1,806,204.78, 2,709,294.87 and 439,962.21
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Solution
The fourth proportional to 1,806,204.78, 2,709,294.87 and 439,962.21 is: 659,940.32
Step by Step Solution
- Step 1: Write the proportion equation
1,806,204.78 : 2,709,294.87 = 439,962.21 : x - Step 2: Convert to fraction form
1,806,204.78/2,709,294.87 = 439,962.21/x - Step 3: Cross multiply
1,806,204.78x = 2,709,294.87 × 439,962.21 - Step 4: Simplify right side
1,806,204.78x = 1,191,987,358,546.86 - Step 5: Solve for x
x = 1,191,987,358,546.86/1,806,204.78 - Step 6: Final answer
x = 659,940.32
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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.