Finding the Fourth Proportional to 1,371,536, 1,892,739.21 and 790,747.62
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Solution
The fourth proportional to 1,371,536, 1,892,739.21 and 790,747.62 is: 1,091,242.98
Step by Step Solution
- Step 1: Write the proportion equation
1,371,536 : 1,892,739.21 = 790,747.62 : x - Step 2: Convert to fraction form
1,371,536/1,892,739.21 = 790,747.62/x - Step 3: Cross multiply
1,371,536x = 1,892,739.21 × 790,747.62 - Step 4: Simplify right side
1,371,536x = 1,496,679,025,588.18 - Step 5: Solve for x
x = 1,496,679,025,588.18/1,371,536 - Step 6: Final answer
x = 1,091,242.98
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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.