Finding the Fourth Proportional to 4,742,749.07, 7,109,764.29 and 1,709,372.55
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Solution
The fourth proportional to 4,742,749.07, 7,109,764.29 and 1,709,372.55 is: 2,562,487.65
Step by Step Solution
- Step 1: Write the proportion equation
4,742,749.07 : 7,109,764.29 = 1,709,372.55 : x - Step 2: Convert to fraction form
4,742,749.07/7,109,764.29 = 1,709,372.55/x - Step 3: Cross multiply
4,742,749.07x = 7,109,764.29 × 1,709,372.55 - Step 4: Simplify right side
4,742,749.07x = 12,153,235,914,296.24 - Step 5: Solve for x
x = 12,153,235,914,296.24/4,742,749.07 - Step 6: Final answer
x = 2,562,487.65
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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.