Finding the Fourth Proportional to 4,742,867.42, 7,114,277.34 and 1,148,634.27
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Solution
The fourth proportional to 4,742,867.42, 7,114,277.34 and 1,148,634.27 is: 1,722,945.65
Step by Step Solution
- Step 1: Write the proportion equation
4,742,867.42 : 7,114,277.34 = 1,148,634.27 : x - Step 2: Convert to fraction form
4,742,867.42/7,114,277.34 = 1,148,634.27/x - Step 3: Cross multiply
4,742,867.42x = 7,114,277.34 × 1,148,634.27 - Step 4: Simplify right side
4,742,867.42x = 8,171,702,785,686.98 - Step 5: Solve for x
x = 8,171,702,785,686.98/4,742,867.42 - Step 6: Final answer
x = 1,722,945.65
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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.