Finding the Fourth Proportional to 4,615,505.99, 6,923,348.06 and 1,420,628.87
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Solution
The fourth proportional to 4,615,505.99, 6,923,348.06 and 1,420,628.87 is: 2,130,970.72
Step by Step Solution
- Step 1: Write the proportion equation
4,615,505.99 : 6,923,348.06 = 1,420,628.87 : x - Step 2: Convert to fraction form
4,615,505.99/6,923,348.06 = 1,420,628.87/x - Step 3: Cross multiply
4,615,505.99x = 6,923,348.06 × 1,420,628.87 - Step 4: Simplify right side
4,615,505.99x = 9,835,508,089,374.61 - Step 5: Solve for x
x = 9,835,508,089,374.61/4,615,505.99 - Step 6: Final answer
x = 2,130,970.72
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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.