Finding the Fourth Proportional to 1,888,355.08, 2,605,897.20 and 1,028,922.40
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Solution
The fourth proportional to 1,888,355.08, 2,605,897.20 and 1,028,922.40 is: 1,419,895.03
Step by Step Solution
- Step 1: Write the proportion equation
1,888,355.08 : 2,605,897.20 = 1,028,922.40 : x - Step 2: Convert to fraction form
1,888,355.08/2,605,897.20 = 1,028,922.40/x - Step 3: Cross multiply
1,888,355.08x = 2,605,897.20 × 1,028,922.40 - Step 4: Simplify right side
1,888,355.08x = 2,681,266,001,177.28 - Step 5: Solve for x
x = 2,681,266,001,177.28/1,888,355.08 - Step 6: Final answer
x = 1,419,895.03
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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.