Finding the Fourth Proportional to 6,449,648.88, 8,900,246.44 and 3,509,477.52
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Solution
The fourth proportional to 6,449,648.88, 8,900,246.44 and 3,509,477.52 is: 4,842,932.60
Step by Step Solution
- Step 1: Write the proportion equation
6,449,648.88 : 8,900,246.44 = 3,509,477.52 : x - Step 2: Convert to fraction form
6,449,648.88/8,900,246.44 = 3,509,477.52/x - Step 3: Cross multiply
6,449,648.88x = 8,900,246.44 × 3,509,477.52 - Step 4: Simplify right side
6,449,648.88x = 31,235,214,803,640.03 - Step 5: Solve for x
x = 31,235,214,803,640.03/6,449,648.88 - Step 6: Final answer
x = 4,842,932.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.