Finding the Fourth Proportional to 1,787,866.75, 2,683,485.47 and 651,727.09
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Solution
The fourth proportional to 1,787,866.75, 2,683,485.47 and 651,727.09 is: 978,204.99
Step by Step Solution
- Step 1: Write the proportion equation
1,787,866.75 : 2,683,485.47 = 651,727.09 : x - Step 2: Convert to fraction form
1,787,866.75/2,683,485.47 = 651,727.09/x - Step 3: Cross multiply
1,787,866.75x = 2,683,485.47 × 651,727.09 - Step 4: Simplify right side
1,787,866.75x = 1,748,900,176,420.38 - Step 5: Solve for x
x = 1,748,900,176,420.38/1,787,866.75 - Step 6: Final answer
x = 978,204.99
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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.