Finding the Fourth Proportional to 2,257,386.63, 3,115,184.20 and 1,340,370.65
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Solution
The fourth proportional to 2,257,386.63, 3,115,184.20 and 1,340,370.65 is: 1,849,705.95
Step by Step Solution
- Step 1: Write the proportion equation
2,257,386.63 : 3,115,184.20 = 1,340,370.65 : x - Step 2: Convert to fraction form
2,257,386.63/3,115,184.20 = 1,340,370.65/x - Step 3: Cross multiply
2,257,386.63x = 3,115,184.20 × 1,340,370.65 - Step 4: Simplify right side
2,257,386.63x = 4,175,501,471,023.73 - Step 5: Solve for x
x = 4,175,501,471,023.73/2,257,386.63 - Step 6: Final answer
x = 1,849,705.95
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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.