Finding the Fourth Proportional to 1,888,775.90, 2,606,434.67 and 1,029,317.70
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Solution
The fourth proportional to 1,888,775.90, 2,606,434.67 and 1,029,317.70 is: 1,420,416.97
Step by Step Solution
- Step 1: Write the proportion equation
1,888,775.90 : 2,606,434.67 = 1,029,317.70 : x - Step 2: Convert to fraction form
1,888,775.90/2,606,434.67 = 1,029,317.70/x - Step 3: Cross multiply
1,888,775.90x = 2,606,434.67 × 1,029,317.70 - Step 4: Simplify right side
1,888,775.90x = 2,682,849,342,297.95 - Step 5: Solve for x
x = 2,682,849,342,297.95/1,888,775.90 - Step 6: Final answer
x = 1,420,416.97
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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.