Finding the Fourth Proportional to 4,098,341.21, 6,147,329.56 and 1,402,907.45
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Solution
The fourth proportional to 4,098,341.21, 6,147,329.56 and 1,402,907.45 is: 2,104,298.78
Step by Step Solution
- Step 1: Write the proportion equation
4,098,341.21 : 6,147,329.56 = 1,402,907.45 : x - Step 2: Convert to fraction form
4,098,341.21/6,147,329.56 = 1,402,907.45/x - Step 3: Cross multiply
4,098,341.21x = 6,147,329.56 × 1,402,907.45 - Step 4: Simplify right side
4,098,341.21x = 8,624,134,403,085.31 - Step 5: Solve for x
x = 8,624,134,403,085.31/4,098,341.21 - Step 6: Final answer
x = 2,104,298.78
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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.