Finding the Fourth Proportional to 1,921,507.15, 2,651,633.62 and 1,050,302.74
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Solution
The fourth proportional to 1,921,507.15, 2,651,633.62 and 1,050,302.74 is: 1,449,392.50
Step by Step Solution
- Step 1: Write the proportion equation
1,921,507.15 : 2,651,633.62 = 1,050,302.74 : x - Step 2: Convert to fraction form
1,921,507.15/2,651,633.62 = 1,050,302.74/x - Step 3: Cross multiply
1,921,507.15x = 2,651,633.62 × 1,050,302.74 - Step 4: Simplify right side
1,921,507.15x = 2,785,018,056,562.12 - Step 5: Solve for x
x = 2,785,018,056,562.12/1,921,507.15 - Step 6: Final answer
x = 1,449,392.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.