Finding the Fourth Proportional to 2,946,813.20, 4,420,219.80 and 2,238,225.20
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Solution
The fourth proportional to 2,946,813.20, 4,420,219.80 and 2,238,225.20 is: 3,357,337.80
Step by Step Solution
- Step 1: Write the proportion equation
2,946,813.20 : 4,420,219.80 = 2,238,225.20 : x - Step 2: Convert to fraction form
2,946,813.20/4,420,219.80 = 2,238,225.20/x - Step 3: Cross multiply
2,946,813.20x = 4,420,219.80 × 2,238,225.20 - Step 4: Simplify right side
2,946,813.20x = 9,893,447,345,898.96 - Step 5: Solve for x
x = 9,893,447,345,898.96/2,946,813.20 - Step 6: Final answer
x = 3,357,337.80
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1.5x scale
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.