Finding the Fourth Proportional to 1,869,023.20, 2,579,251.62 and 1,009,583.48
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Solution
The fourth proportional to 1,869,023.20, 2,579,251.62 and 1,009,583.48 is: 1,393,224.99
Step by Step Solution
- Step 1: Write the proportion equation
1,869,023.20 : 2,579,251.62 = 1,009,583.48 : x - Step 2: Convert to fraction form
1,869,023.20/2,579,251.62 = 1,009,583.48/x - Step 3: Cross multiply
1,869,023.20x = 2,579,251.62 × 1,009,583.48 - Step 4: Simplify right side
1,869,023.20x = 2,603,969,826,315.24 - Step 5: Solve for x
x = 2,603,969,826,315.24/1,869,023.20 - Step 6: Final answer
x = 1,393,224.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.