Finding the Fourth Proportional to 6,415,681.76, 9,623,439.57 and 1,558,028.08
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Solution
The fourth proportional to 6,415,681.76, 9,623,439.57 and 1,558,028.08 is: 2,337,021.95
Step by Step Solution
- Step 1: Write the proportion equation
6,415,681.76 : 9,623,439.57 = 1,558,028.08 : x - Step 2: Convert to fraction form
6,415,681.76/9,623,439.57 = 1,558,028.08/x - Step 3: Cross multiply
6,415,681.76x = 9,623,439.57 × 1,558,028.08 - Step 4: Simplify right side
6,415,681.76x = 14,993,589,076,243.13 - Step 5: Solve for x
x = 14,993,589,076,243.13/6,415,681.76 - Step 6: Final answer
x = 2,337,021.95
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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.