Finding the Fourth Proportional to 2,250,947.84, 3,106,317.12 and 1,232,447.36
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Solution
The fourth proportional to 2,250,947.84, 3,106,317.12 and 1,232,447.36 is: 1,700,782.34
Step by Step Solution
- Step 1: Write the proportion equation
2,250,947.84 : 3,106,317.12 = 1,232,447.36 : x - Step 2: Convert to fraction form
2,250,947.84/3,106,317.12 = 1,232,447.36/x - Step 3: Cross multiply
2,250,947.84x = 3,106,317.12 × 1,232,447.36 - Step 4: Simplify right side
2,250,947.84x = 3,828,372,333,866.80 - Step 5: Solve for x
x = 3,828,372,333,866.80/2,250,947.84 - Step 6: Final answer
x = 1,700,782.34
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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.