Finding the Fourth Proportional to 4,742,485.56, 7,114,860 and 1,547,617.68
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Solution
The fourth proportional to 4,742,485.56, 7,114,860 and 1,547,617.68 is: 2,321,795.82
Step by Step Solution
- Step 1: Write the proportion equation
4,742,485.56 : 7,114,860 = 1,547,617.68 : x - Step 2: Convert to fraction form
4,742,485.56/7,114,860 = 1,547,617.68/x - Step 3: Cross multiply
4,742,485.56x = 7,114,860 × 1,547,617.68 - Step 4: Simplify right side
4,742,485.56x = 11,011,083,126,724.80 - Step 5: Solve for x
x = 11,011,083,126,724.80/4,742,485.56 - Step 6: Final answer
x = 2,321,795.82
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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.