Finding the Fourth Proportional to 2,470,188.14, 3,409,217.63 and 1,423,405.70
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Solution
The fourth proportional to 2,470,188.14, 3,409,217.63 and 1,423,405.70 is: 1,964,506.15
Step by Step Solution
- Step 1: Write the proportion equation
2,470,188.14 : 3,409,217.63 = 1,423,405.70 : x - Step 2: Convert to fraction form
2,470,188.14/3,409,217.63 = 1,423,405.70/x - Step 3: Cross multiply
2,470,188.14x = 3,409,217.63 × 1,423,405.70 - Step 4: Simplify right side
2,470,188.14x = 4,852,699,801,041.71 - Step 5: Solve for x
x = 4,852,699,801,041.71/2,470,188.14 - Step 6: Final answer
x = 1,964,506.15
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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.