Finding the Fourth Proportional to 1,867,219.80, 2,798,496.90 and 1,368,000.60
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Solution
The fourth proportional to 1,867,219.80, 2,798,496.90 and 1,368,000.60 is: 2,050,291.80
Step by Step Solution
- Step 1: Write the proportion equation
1,867,219.80 : 2,798,496.90 = 1,368,000.60 : x - Step 2: Convert to fraction form
1,867,219.80/2,798,496.90 = 1,368,000.60/x - Step 3: Cross multiply
1,867,219.80x = 2,798,496.90 × 1,368,000.60 - Step 4: Simplify right side
1,867,219.80x = 3,828,345,438,298.14 - Step 5: Solve for x
x = 3,828,345,438,298.14/1,867,219.80 - Step 6: Final answer
x = 2,050,291.80
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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.