Finding the Fourth Proportional to 1,787,393.73, 2,679,580.22 and 775,750.71
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Solution
The fourth proportional to 1,787,393.73, 2,679,580.22 and 775,750.71 is: 1,162,970.54
Step by Step Solution
- Step 1: Write the proportion equation
1,787,393.73 : 2,679,580.22 = 775,750.71 : x - Step 2: Convert to fraction form
1,787,393.73/2,679,580.22 = 775,750.71/x - Step 3: Cross multiply
1,787,393.73x = 2,679,580.22 × 775,750.71 - Step 4: Simplify right side
1,787,393.73x = 2,078,686,254,288.20 - Step 5: Solve for x
x = 2,078,686,254,288.20/1,787,393.73 - Step 6: Final answer
x = 1,162,970.54
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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.