Finding the Fourth Proportional to 2,594,921.55, 3,580,977.47 and 1,433,447.71
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Solution
The fourth proportional to 2,594,921.55, 3,580,977.47 and 1,433,447.71 is: 1,978,149.95
Step by Step Solution
- Step 1: Write the proportion equation
2,594,921.55 : 3,580,977.47 = 1,433,447.71 : x - Step 2: Convert to fraction form
2,594,921.55/3,580,977.47 = 1,433,447.71/x - Step 3: Cross multiply
2,594,921.55x = 3,580,977.47 × 1,433,447.71 - Step 4: Simplify right side
2,594,921.55x = 5,133,143,936,028.21 - Step 5: Solve for x
x = 5,133,143,936,028.21/2,594,921.55 - Step 6: Final answer
x = 1,978,149.95
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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.