Finding the Fourth Proportional to 5,353,284.63, 7,387,335.47 and 2,905,841.99
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Solution
The fourth proportional to 5,353,284.63, 7,387,335.47 and 2,905,841.99 is: 4,009,954.84
Step by Step Solution
- Step 1: Write the proportion equation
5,353,284.63 : 7,387,335.47 = 2,905,841.99 : x - Step 2: Convert to fraction form
5,353,284.63/7,387,335.47 = 2,905,841.99/x - Step 3: Cross multiply
5,353,284.63x = 7,387,335.47 × 2,905,841.99 - Step 4: Simplify right side
5,353,284.63x = 21,466,429,628,675.33 - Step 5: Solve for x
x = 21,466,429,628,675.33/5,353,284.63 - Step 6: Final answer
x = 4,009,954.84
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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.