Finding the Fourth Proportional to 1,348,869.12, 2,021,559.36 and 1,009,245.12
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Solution
The fourth proportional to 1,348,869.12, 2,021,559.36 and 1,009,245.12 is: 1,512,562.55
Step by Step Solution
- Step 1: Write the proportion equation
1,348,869.12 : 2,021,559.36 = 1,009,245.12 : x - Step 2: Convert to fraction form
1,348,869.12/2,021,559.36 = 1,009,245.12/x - Step 3: Cross multiply
1,348,869.12x = 2,021,559.36 × 1,009,245.12 - Step 4: Simplify right side
1,348,869.12x = 2,040,248,918,870.32 - Step 5: Solve for x
x = 2,040,248,918,870.32/1,348,869.12 - Step 6: Final answer
x = 1,512,562.55
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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.