Finding the Fourth Proportional to 2,130,210.64, 2,939,714.04 and 1,163,369.44
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Solution
The fourth proportional to 2,130,210.64, 2,939,714.04 and 1,163,369.44 is: 1,605,462.58
Step by Step Solution
- Step 1: Write the proportion equation
2,130,210.64 : 2,939,714.04 = 1,163,369.44 : x - Step 2: Convert to fraction form
2,130,210.64/2,939,714.04 = 1,163,369.44/x - Step 3: Cross multiply
2,130,210.64x = 2,939,714.04 × 1,163,369.44 - Step 4: Simplify right side
2,130,210.64x = 3,419,973,476,474.94 - Step 5: Solve for x
x = 3,419,973,476,474.94/2,130,210.64 - Step 6: Final answer
x = 1,605,462.58
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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.