Finding the Fourth Proportional to 4,089,165.30, 6,134,039.55 and 1,249,272.90
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Solution
The fourth proportional to 4,089,165.30, 6,134,039.55 and 1,249,272.90 is: 1,873,998.44
Step by Step Solution
- Step 1: Write the proportion equation
4,089,165.30 : 6,134,039.55 = 1,249,272.90 : x - Step 2: Convert to fraction form
4,089,165.30/6,134,039.55 = 1,249,272.90/x - Step 3: Cross multiply
4,089,165.30x = 6,134,039.55 × 1,249,272.90 - Step 4: Simplify right side
4,089,165.30x = 7,663,089,377,343.19 - Step 5: Solve for x
x = 7,663,089,377,343.19/4,089,165.30 - Step 6: Final answer
x = 1,873,998.44
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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.