Finding the Fourth Proportional to 2,652,907.19, 3,980,202.12 and 947,013.07
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Solution
The fourth proportional to 2,652,907.19, 3,980,202.12 and 947,013.07 is: 1,420,819.93
Step by Step Solution
- Step 1: Write the proportion equation
2,652,907.19 : 3,980,202.12 = 947,013.07 : x - Step 2: Convert to fraction form
2,652,907.19/3,980,202.12 = 947,013.07/x - Step 3: Cross multiply
2,652,907.19x = 3,980,202.12 × 947,013.07 - Step 4: Simplify right side
2,652,907.19x = 3,769,303,418,931.20 - Step 5: Solve for x
x = 3,769,303,418,931.20/2,652,907.19 - Step 6: Final answer
x = 1,420,819.93
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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.