Finding the Fourth Proportional to 3,779,726.94, 5,672,247.18 and 3,418,347.06
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Solution
The fourth proportional to 3,779,726.94, 5,672,247.18 and 3,418,347.06 is: 5,129,923.35
Step by Step Solution
- Step 1: Write the proportion equation
3,779,726.94 : 5,672,247.18 = 3,418,347.06 : x - Step 2: Convert to fraction form
3,779,726.94/5,672,247.18 = 3,418,347.06/x - Step 3: Cross multiply
3,779,726.94x = 5,672,247.18 × 3,418,347.06 - Step 4: Simplify right side
3,779,726.94x = 19,389,709,471,346.29 - Step 5: Solve for x
x = 19,389,709,471,346.29/3,779,726.94 - Step 6: Final answer
x = 5,129,923.35
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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.