Finding the Fourth Proportional to 1,854,603.60, 2,780,350.20 and 968,139.60
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Solution
The fourth proportional to 1,854,603.60, 2,780,350.20 and 968,139.60 is: 1,451,397.55
Step by Step Solution
- Step 1: Write the proportion equation
1,854,603.60 : 2,780,350.20 = 968,139.60 : x - Step 2: Convert to fraction form
1,854,603.60/2,780,350.20 = 968,139.60/x - Step 3: Cross multiply
1,854,603.60x = 2,780,350.20 × 968,139.60 - Step 4: Simplify right side
1,854,603.60x = 2,691,767,130,487.92 - Step 5: Solve for x
x = 2,691,767,130,487.92/1,854,603.60 - Step 6: Final answer
x = 1,451,397.55
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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.