Finding the Fourth Proportional to 7,099,690.35, 10,651,326.03 and 1,982,115.63
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Solution
The fourth proportional to 7,099,690.35, 10,651,326.03 and 1,982,115.63 is: 2,973,673.32
Step by Step Solution
- Step 1: Write the proportion equation
7,099,690.35 : 10,651,326.03 = 1,982,115.63 : x - Step 2: Convert to fraction form
7,099,690.35/10,651,326.03 = 1,982,115.63/x - Step 3: Cross multiply
7,099,690.35x = 10,651,326.03 × 1,982,115.63 - Step 4: Simplify right side
7,099,690.35x = 21,112,159,804,288.85 - Step 5: Solve for x
x = 21,112,159,804,288.85/7,099,690.35 - Step 6: Final answer
x = 2,973,673.32
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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.