Finding the Fourth Proportional to 2,711,688.12, 3,742,119.34 and 1,488,014.12
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Solution
The fourth proportional to 2,711,688.12, 3,742,119.34 and 1,488,014.12 is: 2,053,453.85
Step by Step Solution
- Step 1: Write the proportion equation
2,711,688.12 : 3,742,119.34 = 1,488,014.12 : x - Step 2: Convert to fraction form
2,711,688.12/3,742,119.34 = 1,488,014.12/x - Step 3: Cross multiply
2,711,688.12x = 3,742,119.34 × 1,488,014.12 - Step 4: Simplify right side
2,711,688.12x = 5,568,326,422,280.34 - Step 5: Solve for x
x = 5,568,326,422,280.34/2,711,688.12 - Step 6: Final answer
x = 2,053,453.85
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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.