Finding the Fourth Proportional to 5,092,862.45, 7,640,507.12 and 1,498,746.65
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Solution
The fourth proportional to 5,092,862.45, 7,640,507.12 and 1,498,746.65 is: 2,248,477.07
Step by Step Solution
- Step 1: Write the proportion equation
5,092,862.45 : 7,640,507.12 = 1,498,746.65 : x - Step 2: Convert to fraction form
5,092,862.45/7,640,507.12 = 1,498,746.65/x - Step 3: Cross multiply
5,092,862.45x = 7,640,507.12 × 1,498,746.65 - Step 4: Simplify right side
5,092,862.45x = 11,451,184,404,704.88 - Step 5: Solve for x
x = 11,451,184,404,704.88/5,092,862.45 - Step 6: Final answer
x = 2,248,477.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.