Finding the Fourth Proportional to 5,125,907.70, 7,688,278.35 and 1,339,773.30
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Solution
The fourth proportional to 5,125,907.70, 7,688,278.35 and 1,339,773.30 is: 2,009,507.52
Step by Step Solution
- Step 1: Write the proportion equation
5,125,907.70 : 7,688,278.35 = 1,339,773.30 : x - Step 2: Convert to fraction form
5,125,907.70/7,688,278.35 = 1,339,773.30/x - Step 3: Cross multiply
5,125,907.70x = 7,688,278.35 × 1,339,773.30 - Step 4: Simplify right side
5,125,907.70x = 10,300,550,056,298.05 - Step 5: Solve for x
x = 10,300,550,056,298.05/5,125,907.70 - Step 6: Final answer
x = 2,009,507.52
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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.