Finding the Fourth Proportional to 3,168,430.88, 4,753,237.90 and 1,439,422.09
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Solution
The fourth proportional to 3,168,430.88, 4,753,237.90 and 1,439,422.09 is: 2,159,401.89
Step by Step Solution
- Step 1: Write the proportion equation
3,168,430.88 : 4,753,237.90 = 1,439,422.09 : x - Step 2: Convert to fraction form
3,168,430.88/4,753,237.90 = 1,439,422.09/x - Step 3: Cross multiply
3,168,430.88x = 4,753,237.90 × 1,439,422.09 - Step 4: Simplify right side
3,168,430.88x = 6,841,915,646,239.44 - Step 5: Solve for x
x = 6,841,915,646,239.44/3,168,430.88 - Step 6: Final answer
x = 2,159,401.89
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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.