Finding the Fourth Proportional to 1,900,293.65, 2,622,372.84 and 1,029,121.28
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Solution
The fourth proportional to 1,900,293.65, 2,622,372.84 and 1,029,121.28 is: 1,420,169.81
Step by Step Solution
- Step 1: Write the proportion equation
1,900,293.65 : 2,622,372.84 = 1,029,121.28 : x - Step 2: Convert to fraction form
1,900,293.65/2,622,372.84 = 1,029,121.28/x - Step 3: Cross multiply
1,900,293.65x = 2,622,372.84 × 1,029,121.28 - Step 4: Simplify right side
1,900,293.65x = 2,698,739,675,480.56 - Step 5: Solve for x
x = 2,698,739,675,480.56/1,900,293.65 - Step 6: Final answer
x = 1,420,169.81
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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.