Finding the Fourth Proportional to 1,810,878.79, 2,496,515.61 and 1,444,599.09
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Solution
The fourth proportional to 1,810,878.79, 2,496,515.61 and 1,444,599.09 is: 1,991,554.71
Step by Step Solution
- Step 1: Write the proportion equation
1,810,878.79 : 2,496,515.61 = 1,444,599.09 : x - Step 2: Convert to fraction form
1,810,878.79/2,496,515.61 = 1,444,599.09/x - Step 3: Cross multiply
1,810,878.79x = 2,496,515.61 × 1,444,599.09 - Step 4: Simplify right side
1,810,878.79x = 3,606,464,178,376.80 - Step 5: Solve for x
x = 3,606,464,178,376.80/1,810,878.79 - Step 6: Final answer
x = 1,991,554.71
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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.