Finding the Fourth Proportional to 5,104,681.75, 7,044,801.96 and 2,812,842.37
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Solution
The fourth proportional to 5,104,681.75, 7,044,801.96 and 2,812,842.37 is: 3,881,910.45
Step by Step Solution
- Step 1: Write the proportion equation
5,104,681.75 : 7,044,801.96 = 2,812,842.37 : x - Step 2: Convert to fraction form
5,104,681.75/7,044,801.96 = 2,812,842.37/x - Step 3: Cross multiply
5,104,681.75x = 7,044,801.96 × 2,812,842.37 - Step 4: Simplify right side
5,104,681.75x = 19,815,917,441,347.05 - Step 5: Solve for x
x = 19,815,917,441,347.05/5,104,681.75 - Step 6: Final answer
x = 3,881,910.45
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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.