Finding the Fourth Proportional to 2,881,964.94, 3,977,265.42 and 1,658,456.70
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Solution
The fourth proportional to 2,881,964.94, 3,977,265.42 and 1,658,456.70 is: 2,288,758.75
Step by Step Solution
- Step 1: Write the proportion equation
2,881,964.94 : 3,977,265.42 = 1,658,456.70 : x - Step 2: Convert to fraction form
2,881,964.94/3,977,265.42 = 1,658,456.70/x - Step 3: Cross multiply
2,881,964.94x = 3,977,265.42 × 1,658,456.70 - Step 4: Simplify right side
2,881,964.94x = 6,596,122,483,477.31 - Step 5: Solve for x
x = 6,596,122,483,477.31/2,881,964.94 - Step 6: Final answer
x = 2,288,758.75
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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.