Finding the Fourth Proportional to 1,977,036.84, 2,964,973.95 and 839,790
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Solution
The fourth proportional to 1,977,036.84, 2,964,973.95 and 839,790 is: 1,259,438.08
Step by Step Solution
- Step 1: Write the proportion equation
1,977,036.84 : 2,964,973.95 = 839,790 : x - Step 2: Convert to fraction form
1,977,036.84/2,964,973.95 = 839,790/x - Step 3: Cross multiply
1,977,036.84x = 2,964,973.95 × 839,790 - Step 4: Simplify right side
1,977,036.84x = 2,489,955,473,470.50 - Step 5: Solve for x
x = 2,489,955,473,470.50/1,977,036.84 - Step 6: Final answer
x = 1,259,438.08
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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.