Finding the Fourth Proportional to 5,779,878.39, 7,976,494.71 and 3,201,558.84
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Solution
The fourth proportional to 5,779,878.39, 7,976,494.71 and 3,201,558.84 is: 4,418,296.62
Step by Step Solution
- Step 1: Write the proportion equation
5,779,878.39 : 7,976,494.71 = 3,201,558.84 : x - Step 2: Convert to fraction form
5,779,878.39/7,976,494.71 = 3,201,558.84/x - Step 3: Cross multiply
5,779,878.39x = 7,976,494.71 × 3,201,558.84 - Step 4: Simplify right side
5,779,878.39x = 25,537,217,151,013.73 - Step 5: Solve for x
x = 25,537,217,151,013.73/5,779,878.39 - Step 6: Final answer
x = 4,418,296.62
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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.