Finding the Fourth Proportional to 4,912,223.04, 6,778,708.89 and 2,819,409.99
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Solution
The fourth proportional to 4,912,223.04, 6,778,708.89 and 2,819,409.99 is: 3,890,694.58
Step by Step Solution
- Step 1: Write the proportion equation
4,912,223.04 : 6,778,708.89 = 2,819,409.99 : x - Step 2: Convert to fraction form
4,912,223.04/6,778,708.89 = 2,819,409.99/x - Step 3: Cross multiply
4,912,223.04x = 6,778,708.89 × 2,819,409.99 - Step 4: Simplify right side
4,912,223.04x = 19,111,959,563,767.81 - Step 5: Solve for x
x = 19,111,959,563,767.81/4,912,223.04 - Step 6: Final answer
x = 3,890,694.58
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1.5x scale
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.