Finding the Fourth Proportional to 1,417,411.12, 2,127,112.96 and 1,281,893.68
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Solution
The fourth proportional to 1,417,411.12, 2,127,112.96 and 1,281,893.68 is: 1,923,741.55
Step by Step Solution
- Step 1: Write the proportion equation
1,417,411.12 : 2,127,112.96 = 1,281,893.68 : x - Step 2: Convert to fraction form
1,417,411.12/2,127,112.96 = 1,281,893.68/x - Step 3: Cross multiply
1,417,411.12x = 2,127,112.96 × 1,281,893.68 - Step 4: Simplify right side
1,417,411.12x = 2,726,732,660,070.09 - Step 5: Solve for x
x = 2,726,732,660,070.09/1,417,411.12 - Step 6: Final answer
x = 1,923,741.55
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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.