Finding the Fourth Proportional to 1,973,675.84, 2,722,823.34 and 1,158,128.96
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Solution
The fourth proportional to 1,973,675.84, 2,722,823.34 and 1,158,128.96 is: 1,597,719.59
Step by Step Solution
- Step 1: Write the proportion equation
1,973,675.84 : 2,722,823.34 = 1,158,128.96 : x - Step 2: Convert to fraction form
1,973,675.84/2,722,823.34 = 1,158,128.96/x - Step 3: Cross multiply
1,973,675.84x = 2,722,823.34 × 1,158,128.96 - Step 4: Simplify right side
1,973,675.84x = 3,153,380,563,017.93 - Step 5: Solve for x
x = 3,153,380,563,017.93/1,973,675.84 - Step 6: Final answer
x = 1,597,719.59
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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.