Finding the Fourth Proportional to 1,914,398.80, 2,641,864.84 and 1,054,958.80
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Solution
The fourth proportional to 1,914,398.80, 2,641,864.84 and 1,054,958.80 is: 1,455,840.11
Step by Step Solution
- Step 1: Write the proportion equation
1,914,398.80 : 2,641,864.84 = 1,054,958.80 : x - Step 2: Convert to fraction form
1,914,398.80/2,641,864.84 = 1,054,958.80/x - Step 3: Cross multiply
1,914,398.80x = 2,641,864.84 × 1,054,958.80 - Step 4: Simplify right side
1,914,398.80x = 2,787,058,561,368.59 - Step 5: Solve for x
x = 2,787,058,561,368.59/1,914,398.80 - Step 6: Final answer
x = 1,455,840.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.