Finding the Fourth Proportional to 1,814,879.70, 2,722,319.55 and 1,248,009.30
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Solution
The fourth proportional to 1,814,879.70, 2,722,319.55 and 1,248,009.30 is: 1,872,013.95
Step by Step Solution
- Step 1: Write the proportion equation
1,814,879.70 : 2,722,319.55 = 1,248,009.30 : x - Step 2: Convert to fraction form
1,814,879.70/2,722,319.55 = 1,248,009.30/x - Step 3: Cross multiply
1,814,879.70x = 2,722,319.55 × 1,248,009.30 - Step 4: Simplify right side
1,814,879.70x = 3,397,480,115,971.82 - Step 5: Solve for x
x = 3,397,480,115,971.82/1,814,879.70 - Step 6: Final answer
x = 1,872,013.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.