Finding the Fourth Proportional to 3,756,036.99, 5,183,448.38 and 2,124,412.43
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Solution
The fourth proportional to 3,756,036.99, 5,183,448.38 and 2,124,412.43 is: 2,931,755.51
Step by Step Solution
- Step 1: Write the proportion equation
3,756,036.99 : 5,183,448.38 = 2,124,412.43 : x - Step 2: Convert to fraction form
3,756,036.99/5,183,448.38 = 2,124,412.43/x - Step 3: Cross multiply
3,756,036.99x = 5,183,448.38 × 2,124,412.43 - Step 4: Simplify right side
3,756,036.99x = 11,011,782,132,196.06 - Step 5: Solve for x
x = 11,011,782,132,196.06/3,756,036.99 - Step 6: Final answer
x = 2,931,755.51
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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.