Finding the Fourth Proportional to 5,408,178.90, 7,462,093.68 and 3,201,946.26
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Solution
The fourth proportional to 5,408,178.90, 7,462,093.68 and 3,201,946.26 is: 4,417,979.40
Step by Step Solution
- Step 1: Write the proportion equation
5,408,178.90 : 7,462,093.68 = 3,201,946.26 : x - Step 2: Convert to fraction form
5,408,178.90/7,462,093.68 = 3,201,946.26/x - Step 3: Cross multiply
5,408,178.90x = 7,462,093.68 × 3,201,946.26 - Step 4: Simplify right side
5,408,178.90x = 23,893,222,950,445.63 - Step 5: Solve for x
x = 23,893,222,950,445.63/5,408,178.90 - Step 6: Final answer
x = 4,417,979.40
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1.5x scale
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.