Finding the Fourth Proportional to 2,855,775.76, 3,940,947.58 and 1,549,024.55
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Solution
The fourth proportional to 2,855,775.76, 3,940,947.58 and 1,549,024.55 is: 2,137,641.41
Step by Step Solution
- Step 1: Write the proportion equation
2,855,775.76 : 3,940,947.58 = 1,549,024.55 : x - Step 2: Convert to fraction form
2,855,775.76/3,940,947.58 = 1,549,024.55/x - Step 3: Cross multiply
2,855,775.76x = 3,940,947.58 × 1,549,024.55 - Step 4: Simplify right side
2,855,775.76x = 6,104,624,524,233.23 - Step 5: Solve for x
x = 6,104,624,524,233.23/2,855,775.76 - Step 6: Final answer
x = 2,137,641.41
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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.