Finding the Fourth Proportional to 2,963,749.29, 4,089,948.35 and 1,605,619.05
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Solution
The fourth proportional to 2,963,749.29, 4,089,948.35 and 1,605,619.05 is: 2,215,740.38
Step by Step Solution
- Step 1: Write the proportion equation
2,963,749.29 : 4,089,948.35 = 1,605,619.05 : x - Step 2: Convert to fraction form
2,963,749.29/4,089,948.35 = 1,605,619.05/x - Step 3: Cross multiply
2,963,749.29x = 4,089,948.35 × 1,605,619.05 - Step 4: Simplify right side
2,963,749.29x = 6,566,898,963,826.33 - Step 5: Solve for x
x = 6,566,898,963,826.33/2,963,749.29 - Step 6: Final answer
x = 2,215,740.38
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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.