Finding the Fourth Proportional to 2,139,271.58, 3,201,673.86 and 2,081,698.81
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Solution
The fourth proportional to 2,139,271.58, 3,201,673.86 and 2,081,698.81 is: 3,115,509.37
Step by Step Solution
- Step 1: Write the proportion equation
2,139,271.58 : 3,201,673.86 = 2,081,698.81 : x - Step 2: Convert to fraction form
2,139,271.58/3,201,673.86 = 2,081,698.81/x - Step 3: Cross multiply
2,139,271.58x = 3,201,673.86 × 2,081,698.81 - Step 4: Simplify right side
2,139,271.58x = 6,664,920,656,365.92 - Step 5: Solve for x
x = 6,664,920,656,365.92/2,139,271.58 - Step 6: Final answer
x = 3,115,509.37
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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.