Finding the Fourth Proportional to 5,615,747.08, 7,749,730.82 and 3,037,427.92
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Solution
The fourth proportional to 5,615,747.08, 7,749,730.82 and 3,037,427.92 is: 4,191,650.45
Step by Step Solution
- Step 1: Write the proportion equation
5,615,747.08 : 7,749,730.82 = 3,037,427.92 : x - Step 2: Convert to fraction form
5,615,747.08/7,749,730.82 = 3,037,427.92/x - Step 3: Cross multiply
5,615,747.08x = 7,749,730.82 × 3,037,427.92 - Step 4: Simplify right side
5,615,747.08x = 23,539,248,782,433.23 - Step 5: Solve for x
x = 23,539,248,782,433.23/5,615,747.08 - Step 6: Final answer
x = 4,191,650.45
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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.