Finding the Fourth Proportional to 1,739,964.30, 2,609,946.45 and 1,209,122.70
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Solution
The fourth proportional to 1,739,964.30, 2,609,946.45 and 1,209,122.70 is: 1,813,684.05
Step by Step Solution
- Step 1: Write the proportion equation
1,739,964.30 : 2,609,946.45 = 1,209,122.70 : x - Step 2: Convert to fraction form
1,739,964.30/2,609,946.45 = 1,209,122.70/x - Step 3: Cross multiply
1,739,964.30x = 2,609,946.45 × 1,209,122.70 - Step 4: Simplify right side
1,739,964.30x = 3,155,745,498,479.42 - Step 5: Solve for x
x = 3,155,745,498,479.42/1,739,964.30 - Step 6: Final answer
x = 1,813,684.05
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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.