Finding the Fourth Proportional to 1,790,724.12, 2,470,816.14 and 1,065,430.18
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Solution
The fourth proportional to 1,790,724.12, 2,470,816.14 and 1,065,430.18 is: 1,470,065.69
Step by Step Solution
- Step 1: Write the proportion equation
1,790,724.12 : 2,470,816.14 = 1,065,430.18 : x - Step 2: Convert to fraction form
1,790,724.12/2,470,816.14 = 1,065,430.18/x - Step 3: Cross multiply
1,790,724.12x = 2,470,816.14 × 1,065,430.18 - Step 4: Simplify right side
1,790,724.12x = 2,632,482,084,787.11 - Step 5: Solve for x
x = 2,632,482,084,787.11/1,790,724.12 - Step 6: Final answer
x = 1,470,065.69
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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.