Finding the Fourth Proportional to 2,947,483.81, 4,421,225.43 and 817,568.02
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Solution
The fourth proportional to 2,947,483.81, 4,421,225.43 and 817,568.02 is: 1,226,351.95
Step by Step Solution
- Step 1: Write the proportion equation
2,947,483.81 : 4,421,225.43 = 817,568.02 : x - Step 2: Convert to fraction form
2,947,483.81/4,421,225.43 = 817,568.02/x - Step 3: Cross multiply
2,947,483.81x = 4,421,225.43 × 817,568.02 - Step 4: Simplify right side
2,947,483.81x = 3,614,652,520,778.75 - Step 5: Solve for x
x = 3,614,652,520,778.75/2,947,483.81 - Step 6: Final answer
x = 1,226,351.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.