Finding the Fourth Proportional to 2,686,789.02, 3,701,462.19 and 1,869,587.34
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Solution
The fourth proportional to 2,686,789.02, 3,701,462.19 and 1,869,587.34 is: 2,575,642.08
Step by Step Solution
- Step 1: Write the proportion equation
2,686,789.02 : 3,701,462.19 = 1,869,587.34 : x - Step 2: Convert to fraction form
2,686,789.02/3,701,462.19 = 1,869,587.34/x - Step 3: Cross multiply
2,686,789.02x = 3,701,462.19 × 1,869,587.34 - Step 4: Simplify right side
2,686,789.02x = 6,920,206,849,912.68 - Step 5: Solve for x
x = 6,920,206,849,912.68/2,686,789.02 - Step 6: Final answer
x = 2,575,642.08
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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.