Finding the Fourth Proportional to 3,157,574.00, 4,357,426.74 and 1,833,120.65
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Solution
The fourth proportional to 3,157,574.00, 4,357,426.74 and 1,833,120.65 is: 2,529,691.76
Step by Step Solution
- Step 1: Write the proportion equation
3,157,574.00 : 4,357,426.74 = 1,833,120.65 : x - Step 2: Convert to fraction form
3,157,574.00/4,357,426.74 = 1,833,120.65/x - Step 3: Cross multiply
3,157,574.00x = 4,357,426.74 × 1,833,120.65 - Step 4: Simplify right side
3,157,574.00x = 7,987,688,916,169.05 - Step 5: Solve for x
x = 7,987,688,916,169.05/3,157,574.00 - Step 6: Final answer
x = 2,529,691.76
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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.