Finding the Fourth Proportional to 2,281,693.56, 3,148,774.40 and 1,249,184.12
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Solution
The fourth proportional to 2,281,693.56, 3,148,774.40 and 1,249,184.12 is: 1,723,894.50
Step by Step Solution
- Step 1: Write the proportion equation
2,281,693.56 : 3,148,774.40 = 1,249,184.12 : x - Step 2: Convert to fraction form
2,281,693.56/3,148,774.40 = 1,249,184.12/x - Step 3: Cross multiply
2,281,693.56x = 3,148,774.40 × 1,249,184.12 - Step 4: Simplify right side
2,281,693.56x = 3,933,398,977,942.53 - Step 5: Solve for x
x = 3,933,398,977,942.53/2,281,693.56 - Step 6: Final answer
x = 1,723,894.50
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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.