Finding the Fourth Proportional to 1,887,622.84, 2,828,634.36 and 1,386,537.40
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Solution
The fourth proportional to 1,887,622.84, 2,828,634.36 and 1,386,537.40 is: 2,077,749.46
Step by Step Solution
- Step 1: Write the proportion equation
1,887,622.84 : 2,828,634.36 = 1,386,537.40 : x - Step 2: Convert to fraction form
1,887,622.84/2,828,634.36 = 1,386,537.40/x - Step 3: Cross multiply
1,887,622.84x = 2,828,634.36 × 1,386,537.40 - Step 4: Simplify right side
1,887,622.84x = 3,922,007,331,065.06 - Step 5: Solve for x
x = 3,922,007,331,065.06/1,887,622.84 - Step 6: Final answer
x = 2,077,749.46
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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.