Finding the Fourth Proportional to 1,778,511.09, 2,667,996.28 and 818,735.21
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Solution
The fourth proportional to 1,778,511.09, 2,667,996.28 and 818,735.21 is: 1,228,208.53
Step by Step Solution
- Step 1: Write the proportion equation
1,778,511.09 : 2,667,996.28 = 818,735.21 : x - Step 2: Convert to fraction form
1,778,511.09/2,667,996.28 = 818,735.21/x - Step 3: Cross multiply
1,778,511.09x = 2,667,996.28 × 818,735.21 - Step 4: Simplify right side
1,778,511.09x = 2,184,382,487,668.06 - Step 5: Solve for x
x = 2,184,382,487,668.06/1,778,511.09 - Step 6: Final answer
x = 1,228,208.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.