Finding the Fourth Proportional to 1,898,760.08, 2,620,291.74 and 1,039,374.74
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Solution
The fourth proportional to 1,898,760.08, 2,620,291.74 and 1,039,374.74 is: 1,434,338.69
Step by Step Solution
- Step 1: Write the proportion equation
1,898,760.08 : 2,620,291.74 = 1,039,374.74 : x - Step 2: Convert to fraction form
1,898,760.08/2,620,291.74 = 1,039,374.74/x - Step 3: Cross multiply
1,898,760.08x = 2,620,291.74 × 1,039,374.74 - Step 4: Simplify right side
1,898,760.08x = 2,723,465,045,986.65 - Step 5: Solve for x
x = 2,723,465,045,986.65/1,898,760.08 - Step 6: Final answer
x = 1,434,338.69
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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.