Finding the Fourth Proportional to 5,249,012.63, 7,873,518.94 and 1,259,924.63
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Solution
The fourth proportional to 5,249,012.63, 7,873,518.94 and 1,259,924.63 is: 1,889,886.94
Step by Step Solution
- Step 1: Write the proportion equation
5,249,012.63 : 7,873,518.94 = 1,259,924.63 : x - Step 2: Convert to fraction form
5,249,012.63/7,873,518.94 = 1,259,924.63/x - Step 3: Cross multiply
5,249,012.63x = 7,873,518.94 × 1,259,924.63 - Step 4: Simplify right side
5,249,012.63x = 9,920,040,394,760.09 - Step 5: Solve for x
x = 9,920,040,394,760.09/5,249,012.63 - Step 6: Final answer
x = 1,889,886.94
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1.5x scale
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.