Finding the Fourth Proportional to 1,873,145.63, 2,809,718.56 and 453,201.71
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Solution
The fourth proportional to 1,873,145.63, 2,809,718.56 and 453,201.71 is: 679,802.59
Step by Step Solution
- Step 1: Write the proportion equation
1,873,145.63 : 2,809,718.56 = 453,201.71 : x - Step 2: Convert to fraction form
1,873,145.63/2,809,718.56 = 453,201.71/x - Step 3: Cross multiply
1,873,145.63x = 2,809,718.56 × 453,201.71 - Step 4: Simplify right side
1,873,145.63x = 1,273,369,240,829.14 - Step 5: Solve for x
x = 1,273,369,240,829.14/1,873,145.63 - Step 6: Final answer
x = 679,802.59
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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.