Finding the Fourth Proportional to 1,900,293.50, 2,622,372.62 and 1,029,121.12
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Solution
The fourth proportional to 1,900,293.50, 2,622,372.62 and 1,029,121.12 is: 1,420,169.59
Step by Step Solution
- Step 1: Write the proportion equation
1,900,293.50 : 2,622,372.62 = 1,029,121.12 : x - Step 2: Convert to fraction form
1,900,293.50/2,622,372.62 = 1,029,121.12/x - Step 3: Cross multiply
1,900,293.50x = 2,622,372.62 × 1,029,121.12 - Step 4: Simplify right side
1,900,293.50x = 2,698,739,031,133.25 - Step 5: Solve for x
x = 2,698,739,031,133.25/1,900,293.50 - Step 6: Final answer
x = 1,420,169.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.