Finding the Fourth Proportional to 1,800,683.74, 2,698,026.99 and 1,267,083.73
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Solution
The fourth proportional to 1,800,683.74, 2,698,026.99 and 1,267,083.73 is: 1,898,515.56
Step by Step Solution
- Step 1: Write the proportion equation
1,800,683.74 : 2,698,026.99 = 1,267,083.73 : x - Step 2: Convert to fraction form
1,800,683.74/2,698,026.99 = 1,267,083.73/x - Step 3: Cross multiply
1,800,683.74x = 2,698,026.99 × 1,267,083.73 - Step 4: Simplify right side
1,800,683.74x = 3,418,626,102,129.87 - Step 5: Solve for x
x = 3,418,626,102,129.87/1,800,683.74 - Step 6: Final answer
x = 1,898,515.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.