Finding the Fourth Proportional to 2,139,348.99, 2,950,600.98 and 1,818,122.43
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Solution
The fourth proportional to 2,139,348.99, 2,950,600.98 and 1,818,122.43 is: 2,507,563.68
Step by Step Solution
- Step 1: Write the proportion equation
2,139,348.99 : 2,950,600.98 = 1,818,122.43 : x - Step 2: Convert to fraction form
2,139,348.99/2,950,600.98 = 1,818,122.43/x - Step 3: Cross multiply
2,139,348.99x = 2,950,600.98 × 1,818,122.43 - Step 4: Simplify right side
2,139,348.99x = 5,364,553,823,717.98 - Step 5: Solve for x
x = 5,364,553,823,717.98/2,139,348.99 - Step 6: Final answer
x = 2,507,563.68
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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.