Finding the Fourth Proportional to 2,966,128.06, 4,093,219.86 and 1,742,545.13
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Solution
The fourth proportional to 2,966,128.06, 4,093,219.86 and 1,742,545.13 is: 2,404,690.62
Step by Step Solution
- Step 1: Write the proportion equation
2,966,128.06 : 4,093,219.86 = 1,742,545.13 : x - Step 2: Convert to fraction form
2,966,128.06/4,093,219.86 = 1,742,545.13/x - Step 3: Cross multiply
2,966,128.06x = 4,093,219.86 × 1,742,545.13 - Step 4: Simplify right side
2,966,128.06x = 7,132,620,319,130.73 - Step 5: Solve for x
x = 7,132,620,319,130.73/2,966,128.06 - Step 6: Final answer
x = 2,404,690.62
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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.