Finding the Fourth Proportional to 5,112,720.24, 7,056,178.80 and 2,937,259.32
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Solution
The fourth proportional to 5,112,720.24, 7,056,178.80 and 2,937,259.32 is: 4,053,776.85
Step by Step Solution
- Step 1: Write the proportion equation
5,112,720.24 : 7,056,178.80 = 2,937,259.32 : x - Step 2: Convert to fraction form
5,112,720.24/7,056,178.80 = 2,937,259.32/x - Step 3: Cross multiply
5,112,720.24x = 7,056,178.80 × 2,937,259.32 - Step 4: Simplify right side
5,112,720.24x = 20,725,826,943,886.41 - Step 5: Solve for x
x = 20,725,826,943,886.41/5,112,720.24 - Step 6: Final answer
x = 4,053,776.85
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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.