Finding the Fourth Proportional to 5,742,646.30, 7,925,199.87 and 3,164,323.96
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Solution
The fourth proportional to 5,742,646.30, 7,925,199.87 and 3,164,323.96 is: 4,366,958.81
Step by Step Solution
- Step 1: Write the proportion equation
5,742,646.30 : 7,925,199.87 = 3,164,323.96 : x - Step 2: Convert to fraction form
5,742,646.30/7,925,199.87 = 3,164,323.96/x - Step 3: Cross multiply
5,742,646.30x = 7,925,199.87 × 3,164,323.96 - Step 4: Simplify right side
5,742,646.30x = 25,077,899,836,429.89 - Step 5: Solve for x
x = 25,077,899,836,429.89/5,742,646.30 - Step 6: Final answer
x = 4,366,958.81
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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.