Finding the Fourth Proportional to 1,827,762.84, 2,521,976.56 and 1,053,285.09
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Solution
The fourth proportional to 1,827,762.84, 2,521,976.56 and 1,053,285.09 is: 1,453,339.71
Step by Step Solution
- Step 1: Write the proportion equation
1,827,762.84 : 2,521,976.56 = 1,053,285.09 : x - Step 2: Convert to fraction form
1,827,762.84/2,521,976.56 = 1,053,285.09/x - Step 3: Cross multiply
1,827,762.84x = 2,521,976.56 × 1,053,285.09 - Step 4: Simplify right side
1,827,762.84x = 2,656,360,307,977.49 - Step 5: Solve for x
x = 2,656,360,307,977.49/1,827,762.84 - Step 6: Final answer
x = 1,453,339.71
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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.