Finding the Fourth Proportional to 1,420,311.94, 2,130,464.19 and 1,169,987.92
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Solution
The fourth proportional to 1,420,311.94, 2,130,464.19 and 1,169,987.92 is: 1,754,978.82
Step by Step Solution
- Step 1: Write the proportion equation
1,420,311.94 : 2,130,464.19 = 1,169,987.92 : x - Step 2: Convert to fraction form
1,420,311.94/2,130,464.19 = 1,169,987.92/x - Step 3: Cross multiply
1,420,311.94x = 2,130,464.19 × 1,169,987.92 - Step 4: Simplify right side
1,420,311.94x = 2,492,617,366,292.58 - Step 5: Solve for x
x = 2,492,617,366,292.58/1,420,311.94 - Step 6: Final answer
x = 1,754,978.82
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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.