Finding the Fourth Proportional to 2,259,785.12, 3,389,683.16 and 553,936.06
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Solution
The fourth proportional to 2,259,785.12, 3,389,683.16 and 553,936.06 is: 830,905.43
Step by Step Solution
- Step 1: Write the proportion equation
2,259,785.12 : 3,389,683.16 = 553,936.06 : x - Step 2: Convert to fraction form
2,259,785.12/3,389,683.16 = 553,936.06/x - Step 3: Cross multiply
2,259,785.12x = 3,389,683.16 × 553,936.06 - Step 4: Simplify right side
2,259,785.12x = 1,877,667,734,298.75 - Step 5: Solve for x
x = 1,877,667,734,298.75/2,259,785.12 - Step 6: Final answer
x = 830,905.43
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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.