Finding the Fourth Proportional to 1,809,918.08, 2,497,408.80 and 1,045,823.36
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Solution
The fourth proportional to 1,809,918.08, 2,497,408.80 and 1,045,823.36 is: 1,443,075.51
Step by Step Solution
- Step 1: Write the proportion equation
1,809,918.08 : 2,497,408.80 = 1,045,823.36 : x - Step 2: Convert to fraction form
1,809,918.08/2,497,408.80 = 1,045,823.36/x - Step 3: Cross multiply
1,809,918.08x = 2,497,408.80 × 1,045,823.36 - Step 4: Simplify right side
1,809,918.08x = 2,611,848,462,509.57 - Step 5: Solve for x
x = 2,611,848,462,509.57/1,809,918.08 - Step 6: Final answer
x = 1,443,075.51
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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.