Finding the Fourth Proportional to 1,297,673.46, 1,777,782.84 and 1,249,156.08
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Solution
The fourth proportional to 1,297,673.46, 1,777,782.84 and 1,249,156.08 is: 1,711,315.14
Step by Step Solution
- Step 1: Write the proportion equation
1,297,673.46 : 1,777,782.84 = 1,249,156.08 : x - Step 2: Convert to fraction form
1,297,673.46/1,777,782.84 = 1,249,156.08/x - Step 3: Cross multiply
1,297,673.46x = 1,777,782.84 × 1,249,156.08 - Step 4: Simplify right side
1,297,673.46x = 2,220,728,238,821.33 - Step 5: Solve for x
x = 2,220,728,238,821.33/1,297,673.46 - Step 6: Final answer
x = 1,711,315.14
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.