Finding the Fourth Proportional to 1,603,020.60, 2,402,489.70 and 655,320.60
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Solution
The fourth proportional to 1,603,020.60, 2,402,489.70 and 655,320.60 is: 982,146.45
Step by Step Solution
- Step 1: Write the proportion equation
1,603,020.60 : 2,402,489.70 = 655,320.60 : x - Step 2: Convert to fraction form
1,603,020.60/2,402,489.70 = 655,320.60/x - Step 3: Cross multiply
1,603,020.60x = 2,402,489.70 × 655,320.60 - Step 4: Simplify right side
1,603,020.60x = 1,574,400,991,697.82 - Step 5: Solve for x
x = 1,574,400,991,697.82/1,603,020.60 - Step 6: Final answer
x = 982,146.45
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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.