Finding the Fourth Proportional to 1,903,519.60, 2,855,541.96 and 1,105,177.12
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Solution
The fourth proportional to 1,903,519.60, 2,855,541.96 and 1,105,177.12 is: 1,657,918.12
Step by Step Solution
- Step 1: Write the proportion equation
1,903,519.60 : 2,855,541.96 = 1,105,177.12 : x - Step 2: Convert to fraction form
1,903,519.60/2,855,541.96 = 1,105,177.12/x - Step 3: Cross multiply
1,903,519.60x = 2,855,541.96 × 1,105,177.12 - Step 4: Simplify right side
1,903,519.60x = 3,155,879,639,391.96 - Step 5: Solve for x
x = 3,155,879,639,391.96/1,903,519.60 - Step 6: Final answer
x = 1,657,918.12
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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.