Finding the Fourth Proportional to 4,072,178.80, 5,621,520.02 and 2,352,966.76
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Solution
The fourth proportional to 4,072,178.80, 5,621,520.02 and 2,352,966.76 is: 3,248,199.65
Step by Step Solution
- Step 1: Write the proportion equation
4,072,178.80 : 5,621,520.02 = 2,352,966.76 : x - Step 2: Convert to fraction form
4,072,178.80/5,621,520.02 = 2,352,966.76/x - Step 3: Cross multiply
4,072,178.80x = 5,621,520.02 × 2,352,966.76 - Step 4: Simplify right side
4,072,178.80x = 13,227,249,747,734.53 - Step 5: Solve for x
x = 13,227,249,747,734.53/4,072,178.80 - Step 6: Final answer
x = 3,248,199.65
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1.5x scale
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.