Finding the Fourth Proportional to 4,089,628.35, 6,134,457.09 and 1,249,728.66
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Solution
The fourth proportional to 4,089,628.35, 6,134,457.09 and 1,249,728.66 is: 1,874,597.44
Step by Step Solution
- Step 1: Write the proportion equation
4,089,628.35 : 6,134,457.09 = 1,249,728.66 : x - Step 2: Convert to fraction form
4,089,628.35/6,134,457.09 = 1,249,728.66/x - Step 3: Cross multiply
4,089,628.35x = 6,134,457.09 × 1,249,728.66 - Step 4: Simplify right side
4,089,628.35x = 7,666,406,838,913.20 - Step 5: Solve for x
x = 7,666,406,838,913.20/4,089,628.35 - Step 6: Final answer
x = 1,874,597.44
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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.