Finding the Fourth Proportional to 3,553,465.74, 4,903,782.55 and 1,921,873.22
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Solution
The fourth proportional to 3,553,465.74, 4,903,782.55 and 1,921,873.22 is: 2,652,184.95
Step by Step Solution
- Step 1: Write the proportion equation
3,553,465.74 : 4,903,782.55 = 1,921,873.22 : x - Step 2: Convert to fraction form
3,553,465.74/4,903,782.55 = 1,921,873.22/x - Step 3: Cross multiply
3,553,465.74x = 4,903,782.55 × 1,921,873.22 - Step 4: Simplify right side
3,553,465.74x = 9,424,448,359,548.31 - Step 5: Solve for x
x = 9,424,448,359,548.31/3,553,465.74 - Step 6: Final answer
x = 2,652,184.95
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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.