Finding the Fourth Proportional to 5,819,384.63, 8,031,378.71 and 3,206,155.74
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Solution
The fourth proportional to 5,819,384.63, 8,031,378.71 and 3,206,155.74 is: 4,424,840.88
Step by Step Solution
- Step 1: Write the proportion equation
5,819,384.63 : 8,031,378.71 = 3,206,155.74 : x - Step 2: Convert to fraction form
5,819,384.63/8,031,378.71 = 3,206,155.74/x - Step 3: Cross multiply
5,819,384.63x = 8,031,378.71 × 3,206,155.74 - Step 4: Simplify right side
5,819,384.63x = 25,749,850,959,195.69 - Step 5: Solve for x
x = 25,749,850,959,195.69/5,819,384.63 - Step 6: Final answer
x = 4,424,840.88
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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.