Finding the Fourth Proportional to 5,819,867.79, 8,031,419.76 and 3,373,896.75
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Solution
The fourth proportional to 5,819,867.79, 8,031,419.76 and 3,373,896.75 is: 4,655,978.80
Step by Step Solution
- Step 1: Write the proportion equation
5,819,867.79 : 8,031,419.76 = 3,373,896.75 : x - Step 2: Convert to fraction form
5,819,867.79/8,031,419.76 = 3,373,896.75/x - Step 3: Cross multiply
5,819,867.79x = 8,031,419.76 × 3,373,896.75 - Step 4: Simplify right side
5,819,867.79x = 27,097,181,026,149.78 - Step 5: Solve for x
x = 27,097,181,026,149.78/5,819,867.79 - Step 6: Final answer
x = 4,655,978.80
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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.