Finding the Fourth Proportional to 2,872,555.48, 3,964,303.92 and 1,583,392.96
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Solution
The fourth proportional to 2,872,555.48, 3,964,303.92 and 1,583,392.96 is: 2,185,180.05
Step by Step Solution
- Step 1: Write the proportion equation
2,872,555.48 : 3,964,303.92 = 1,583,392.96 : x - Step 2: Convert to fraction form
2,872,555.48/3,964,303.92 = 1,583,392.96/x - Step 3: Cross multiply
2,872,555.48x = 3,964,303.92 × 1,583,392.96 - Step 4: Simplify right side
2,872,555.48x = 6,277,050,918,228.40 - Step 5: Solve for x
x = 6,277,050,918,228.40/2,872,555.48 - Step 6: Final answer
x = 2,185,180.05
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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.