Finding the Fourth Proportional to 1,928,810.84, 2,887,540.65 and 1,287,523.95
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Solution
The fourth proportional to 1,928,810.84, 2,887,540.65 and 1,287,523.95 is: 1,927,497.32
Step by Step Solution
- Step 1: Write the proportion equation
1,928,810.84 : 2,887,540.65 = 1,287,523.95 : x - Step 2: Convert to fraction form
1,928,810.84/2,887,540.65 = 1,287,523.95/x - Step 3: Cross multiply
1,928,810.84x = 2,887,540.65 × 1,287,523.95 - Step 4: Simplify right side
1,928,810.84x = 3,717,777,722,598.24 - Step 5: Solve for x
x = 3,717,777,722,598.24/1,928,810.84 - Step 6: Final answer
x = 1,927,497.32
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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.