Finding the Fourth Proportional to 2,858,109.95, 3,944,089.68 and 1,617,693.68
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Solution
The fourth proportional to 2,858,109.95, 3,944,089.68 and 1,617,693.68 is: 2,232,359.51
Step by Step Solution
- Step 1: Write the proportion equation
2,858,109.95 : 3,944,089.68 = 1,617,693.68 : x - Step 2: Convert to fraction form
2,858,109.95/3,944,089.68 = 1,617,693.68/x - Step 3: Cross multiply
2,858,109.95x = 3,944,089.68 × 1,617,693.68 - Step 4: Simplify right side
2,858,109.95x = 6,380,328,928,968.78 - Step 5: Solve for x
x = 6,380,328,928,968.78/2,858,109.95 - Step 6: Final answer
x = 2,232,359.51
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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.