Finding the Fourth Proportional to 5,630,348.35, 7,769,822.50 and 3,149,536.75
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Solution
The fourth proportional to 5,630,348.35, 7,769,822.50 and 3,149,536.75 is: 4,346,328.14
Step by Step Solution
- Step 1: Write the proportion equation
5,630,348.35 : 7,769,822.50 = 3,149,536.75 : x - Step 2: Convert to fraction form
5,630,348.35/7,769,822.50 = 3,149,536.75/x - Step 3: Cross multiply
5,630,348.35x = 7,769,822.50 × 3,149,536.75 - Step 4: Simplify right side
5,630,348.35x = 24,471,341,450,130.08 - Step 5: Solve for x
x = 24,471,341,450,130.08/5,630,348.35 - Step 6: Final answer
x = 4,346,328.14
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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.