Finding the Fourth Proportional to 1,888,339.23, 2,605,908.51 and 1,028,899.49
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Solution
The fourth proportional to 1,888,339.23, 2,605,908.51 and 1,028,899.49 is: 1,419,881.50
Step by Step Solution
- Step 1: Write the proportion equation
1,888,339.23 : 2,605,908.51 = 1,028,899.49 : x - Step 2: Convert to fraction form
1,888,339.23/2,605,908.51 = 1,028,899.49/x - Step 3: Cross multiply
1,888,339.23x = 2,605,908.51 × 1,028,899.49 - Step 4: Simplify right side
1,888,339.23x = 2,681,217,936,925.66 - Step 5: Solve for x
x = 2,681,217,936,925.66/1,888,339.23 - Step 6: Final answer
x = 1,419,881.50
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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.