Finding the Fourth Proportional to 1,368,515.08, 1,888,136.04 and 955,040.86
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Solution
The fourth proportional to 1,368,515.08, 1,888,136.04 and 955,040.86 is: 1,317,666.93
Step by Step Solution
- Step 1: Write the proportion equation
1,368,515.08 : 1,888,136.04 = 955,040.86 : x - Step 2: Convert to fraction form
1,368,515.08/1,888,136.04 = 955,040.86/x - Step 3: Cross multiply
1,368,515.08x = 1,888,136.04 × 955,040.86 - Step 4: Simplify right side
1,368,515.08x = 1,803,247,067,438.59 - Step 5: Solve for x
x = 1,803,247,067,438.59/1,368,515.08 - Step 6: Final answer
x = 1,317,666.93
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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.