Finding the Fourth Proportional to 1,958,740.84, 2,698,615.74 and 1,515,692.44
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Solution
The fourth proportional to 1,958,740.84, 2,698,615.74 and 1,515,692.44 is: 2,088,214.73
Step by Step Solution
- Step 1: Write the proportion equation
1,958,740.84 : 2,698,615.74 = 1,515,692.44 : x - Step 2: Convert to fraction form
1,958,740.84/2,698,615.74 = 1,515,692.44/x - Step 3: Cross multiply
1,958,740.84x = 2,698,615.74 × 1,515,692.44 - Step 4: Simplify right side
1,958,740.84x = 4,090,271,475,583.01 - Step 5: Solve for x
x = 4,090,271,475,583.01/1,958,740.84 - Step 6: Final answer
x = 2,088,214.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.