Finding the Fourth Proportional to 2,812,303.80, 4,218,448.92 and 682,386.12
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Solution
The fourth proportional to 2,812,303.80, 4,218,448.92 and 682,386.12 is: 1,023,577.53
Step by Step Solution
- Step 1: Write the proportion equation
2,812,303.80 : 4,218,448.92 = 682,386.12 : x - Step 2: Convert to fraction form
2,812,303.80/4,218,448.92 = 682,386.12/x - Step 3: Cross multiply
2,812,303.80x = 4,218,448.92 × 682,386.12 - Step 4: Simplify right side
2,812,303.80x = 2,878,610,990,936.99 - Step 5: Solve for x
x = 2,878,610,990,936.99/2,812,303.80 - Step 6: Final answer
x = 1,023,577.53
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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.