Finding the Fourth Proportional to 1,368,355.98, 1,888,017.36 and 816,964.26
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Solution
The fourth proportional to 1,368,355.98, 1,888,017.36 and 816,964.26 is: 1,127,223.27
Step by Step Solution
- Step 1: Write the proportion equation
1,368,355.98 : 1,888,017.36 = 816,964.26 : x - Step 2: Convert to fraction form
1,368,355.98/1,888,017.36 = 816,964.26/x - Step 3: Cross multiply
1,368,355.98x = 1,888,017.36 × 816,964.26 - Step 4: Simplify right side
1,368,355.98x = 1,542,442,705,379.55 - Step 5: Solve for x
x = 1,542,442,705,379.55/1,368,355.98 - Step 6: Final answer
x = 1,127,223.27
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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.