Finding the Fourth Proportional to 1,541,788.50, 2,312,675.44 and 1,028,368.38
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Solution
The fourth proportional to 1,541,788.50, 2,312,675.44 and 1,028,368.38 is: 1,542,547.69
Step by Step Solution
- Step 1: Write the proportion equation
1,541,788.50 : 2,312,675.44 = 1,028,368.38 : x - Step 2: Convert to fraction form
1,541,788.50/2,312,675.44 = 1,028,368.38/x - Step 3: Cross multiply
1,541,788.50x = 2,312,675.44 × 1,028,368.38 - Step 4: Simplify right side
1,541,788.50x = 2,378,282,295,698.59 - Step 5: Solve for x
x = 2,378,282,295,698.59/1,541,788.50 - Step 6: Final answer
x = 1,542,547.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.