Finding the Fourth Proportional to 1,944,681.11, 2,683,644.57 and 1,128,960.62
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Solution
The fourth proportional to 1,944,681.11, 2,683,644.57 and 1,128,960.62 is: 1,557,956.74
Step by Step Solution
- Step 1: Write the proportion equation
1,944,681.11 : 2,683,644.57 = 1,128,960.62 : x - Step 2: Convert to fraction form
1,944,681.11/2,683,644.57 = 1,128,960.62/x - Step 3: Cross multiply
1,944,681.11x = 2,683,644.57 × 1,128,960.62 - Step 4: Simplify right side
1,944,681.11x = 3,029,729,037,606.83 - Step 5: Solve for x
x = 3,029,729,037,606.83/1,944,681.11 - Step 6: Final answer
x = 1,557,956.74
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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.