Finding the Fourth Proportional to 2,742,689.74, 4,116,688.17 and 1,323,744.70
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Solution
The fourth proportional to 2,742,689.74, 4,116,688.17 and 1,323,744.70 is: 1,986,897.78
Step by Step Solution
- Step 1: Write the proportion equation
2,742,689.74 : 4,116,688.17 = 1,323,744.70 : x - Step 2: Convert to fraction form
2,742,689.74/4,116,688.17 = 1,323,744.70/x - Step 3: Cross multiply
2,742,689.74x = 4,116,688.17 × 1,323,744.70 - Step 4: Simplify right side
2,742,689.74x = 5,449,444,146,590.20 - Step 5: Solve for x
x = 5,449,444,146,590.20/2,742,689.74 - Step 6: Final answer
x = 1,986,897.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.