Finding the Fourth Proportional to 1,888,358.24, 2,605,934.70 and 1,028,918.60
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Solution
The fourth proportional to 1,888,358.24, 2,605,934.70 and 1,028,918.60 is: 1,419,907.85
Step by Step Solution
- Step 1: Write the proportion equation
1,888,358.24 : 2,605,934.70 = 1,028,918.60 : x - Step 2: Convert to fraction form
1,888,358.24/2,605,934.70 = 1,028,918.60/x - Step 3: Cross multiply
1,888,358.24x = 2,605,934.70 × 1,028,918.60 - Step 4: Simplify right side
1,888,358.24x = 2,681,294,683,215.42 - Step 5: Solve for x
x = 2,681,294,683,215.42/1,888,358.24 - Step 6: Final answer
x = 1,419,907.85
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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.