Finding the Fourth Proportional to 1,807,012.06, 2,493,653.11 and 1,032,634.08
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Solution
The fourth proportional to 1,807,012.06, 2,493,653.11 and 1,032,634.08 is: 1,425,021.58
Step by Step Solution
- Step 1: Write the proportion equation
1,807,012.06 : 2,493,653.11 = 1,032,634.08 : x - Step 2: Convert to fraction form
1,807,012.06/2,493,653.11 = 1,032,634.08/x - Step 3: Cross multiply
1,807,012.06x = 2,493,653.11 × 1,032,634.08 - Step 4: Simplify right side
1,807,012.06x = 2,575,031,185,083.99 - Step 5: Solve for x
x = 2,575,031,185,083.99/1,807,012.06 - Step 6: Final answer
x = 1,425,021.58
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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.