Finding the Fourth Proportional to 2,282,382.36, 3,149,746.43 and 1,249,947.05
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Solution
The fourth proportional to 2,282,382.36, 3,149,746.43 and 1,249,947.05 is: 1,724,959.11
Step by Step Solution
- Step 1: Write the proportion equation
2,282,382.36 : 3,149,746.43 = 1,249,947.05 : x - Step 2: Convert to fraction form
2,282,382.36/3,149,746.43 = 1,249,947.05/x - Step 3: Cross multiply
2,282,382.36x = 3,149,746.43 × 1,249,947.05 - Step 4: Simplify right side
2,282,382.36x = 3,937,016,236,428.06 - Step 5: Solve for x
x = 3,937,016,236,428.06/2,282,382.36 - Step 6: Final answer
x = 1,724,959.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.