Finding the Fourth Proportional to 1,888,354.08, 2,605,895.82 and 1,028,921.40
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Solution
The fourth proportional to 1,888,354.08, 2,605,895.82 and 1,028,921.40 is: 1,419,893.65
Step by Step Solution
- Step 1: Write the proportion equation
1,888,354.08 : 2,605,895.82 = 1,028,921.40 : x - Step 2: Convert to fraction form
1,888,354.08/2,605,895.82 = 1,028,921.40/x - Step 3: Cross multiply
1,888,354.08x = 2,605,895.82 × 1,028,921.40 - Step 4: Simplify right side
1,888,354.08x = 2,681,261,975,368.55 - Step 5: Solve for x
x = 2,681,261,975,368.55/1,888,354.08 - Step 6: Final answer
x = 1,419,893.65
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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.