Finding the Fourth Proportional to 3,485,125.36, 4,808,908.74 and 2,178,223.30
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Solution
The fourth proportional to 3,485,125.36, 4,808,908.74 and 2,178,223.30 is: 3,005,595.49
Step by Step Solution
- Step 1: Write the proportion equation
3,485,125.36 : 4,808,908.74 = 2,178,223.30 : x - Step 2: Convert to fraction form
3,485,125.36/4,808,908.74 = 2,178,223.30/x - Step 3: Cross multiply
3,485,125.36x = 4,808,908.74 × 2,178,223.30 - Step 4: Simplify right side
3,485,125.36x = 10,474,877,065,041.64 - Step 5: Solve for x
x = 10,474,877,065,041.64/3,485,125.36 - Step 6: Final answer
x = 3,005,595.49
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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.