Finding the Fourth Proportional to 2,621,688.36, 3,928,526.55 and 1,765,594.50
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Solution
The fourth proportional to 2,621,688.36, 3,928,526.55 and 1,765,594.50 is: 2,645,693.89
Step by Step Solution
- Step 1: Write the proportion equation
2,621,688.36 : 3,928,526.55 = 1,765,594.50 : x - Step 2: Convert to fraction form
2,621,688.36/3,928,526.55 = 1,765,594.50/x - Step 3: Cross multiply
2,621,688.36x = 3,928,526.55 × 1,765,594.50 - Step 4: Simplify right side
2,621,688.36x = 6,936,184,869,783.98 - Step 5: Solve for x
x = 6,936,184,869,783.98/2,621,688.36 - Step 6: Final answer
x = 2,645,693.89
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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.