Finding the Fourth Proportional to 2,553,394.10, 3,523,682.99 and 1,407,493.58
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Solution
The fourth proportional to 2,553,394.10, 3,523,682.99 and 1,407,493.58 is: 1,942,340.66
Step by Step Solution
- Step 1: Write the proportion equation
2,553,394.10 : 3,523,682.99 = 1,407,493.58 : x - Step 2: Convert to fraction form
2,553,394.10/3,523,682.99 = 1,407,493.58/x - Step 3: Cross multiply
2,553,394.10x = 3,523,682.99 × 1,407,493.58 - Step 4: Simplify right side
2,553,394.10x = 4,959,561,172,280.52 - Step 5: Solve for x
x = 4,959,561,172,280.52/2,553,394.10 - Step 6: Final answer
x = 1,942,340.66
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1.5x scale
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.