Finding the Fourth Proportional to 3,896,309.70, 5,844,464.55 and 2,620,851.30
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Solution
The fourth proportional to 3,896,309.70, 5,844,464.55 and 2,620,851.30 is: 3,931,276.95
Step by Step Solution
- Step 1: Write the proportion equation
3,896,309.70 : 5,844,464.55 = 2,620,851.30 : x - Step 2: Convert to fraction form
3,896,309.70/5,844,464.55 = 2,620,851.30/x - Step 3: Cross multiply
3,896,309.70x = 5,844,464.55 × 2,620,851.30 - Step 4: Simplify right side
3,896,309.70x = 15,317,472,513,671.41 - Step 5: Solve for x
x = 15,317,472,513,671.41/3,896,309.70 - Step 6: Final answer
x = 3,931,276.95
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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.