Finding the Fourth Proportional to 4,619,467.16, 6,374,905.95 and 2,554,621.71
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Solution
The fourth proportional to 4,619,467.16, 6,374,905.95 and 2,554,621.71 is: 3,525,400.78
Step by Step Solution
- Step 1: Write the proportion equation
4,619,467.16 : 6,374,905.95 = 2,554,621.71 : x - Step 2: Convert to fraction form
4,619,467.16/6,374,905.95 = 2,554,621.71/x - Step 3: Cross multiply
4,619,467.16x = 6,374,905.95 × 2,554,621.71 - Step 4: Simplify right side
4,619,467.16x = 16,285,473,139,078.17 - Step 5: Solve for x
x = 16,285,473,139,078.17/4,619,467.16 - Step 6: Final answer
x = 3,525,400.78
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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.