Finding the Fourth Proportional to 1,868,319.36, 2,577,747.31 and 1,052,237.61
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Solution
The fourth proportional to 1,868,319.36, 2,577,747.31 and 1,052,237.61 is: 1,451,787.49
Step by Step Solution
- Step 1: Write the proportion equation
1,868,319.36 : 2,577,747.31 = 1,052,237.61 : x - Step 2: Convert to fraction form
1,868,319.36/2,577,747.31 = 1,052,237.61/x - Step 3: Cross multiply
1,868,319.36x = 2,577,747.31 × 1,052,237.61 - Step 4: Simplify right side
1,868,319.36x = 2,712,402,666,027.74 - Step 5: Solve for x
x = 2,712,402,666,027.74/1,868,319.36 - Step 6: Final answer
x = 1,451,787.49
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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.