Finding the Fourth Proportional to 5,138,749.58, 7,088,263.70 and 3,305,595.24
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Solution
The fourth proportional to 5,138,749.58, 7,088,263.70 and 3,305,595.24 is: 4,559,656.08
Step by Step Solution
- Step 1: Write the proportion equation
5,138,749.58 : 7,088,263.70 = 3,305,595.24 : x - Step 2: Convert to fraction form
5,138,749.58/7,088,263.70 = 3,305,595.24/x - Step 3: Cross multiply
5,138,749.58x = 7,088,263.70 × 3,305,595.24 - Step 4: Simplify right side
5,138,749.58x = 23,430,930,730,056.81 - Step 5: Solve for x
x = 23,430,930,730,056.81/5,138,749.58 - Step 6: Final answer
x = 4,559,656.08
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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.