Finding the Fourth Proportional to 1,368,126.18, 1,887,955.27 and 747,919.55
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Solution
The fourth proportional to 1,368,126.18, 1,887,955.27 and 747,919.55 is: 1,032,096.80
Step by Step Solution
- Step 1: Write the proportion equation
1,368,126.18 : 1,887,955.27 = 747,919.55 : x - Step 2: Convert to fraction form
1,368,126.18/1,887,955.27 = 747,919.55/x - Step 3: Cross multiply
1,368,126.18x = 1,887,955.27 × 747,919.55 - Step 4: Simplify right side
1,368,126.18x = 1,412,038,654,088.73 - Step 5: Solve for x
x = 1,412,038,654,088.73/1,368,126.18 - Step 6: Final answer
x = 1,032,096.80
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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.