Finding the Fourth Proportional to 1,317,744.42, 1,817,129.61 and 1,127,387.94
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Solution
The fourth proportional to 1,317,744.42, 1,817,129.61 and 1,127,387.94 is: 1,554,633.79
Step by Step Solution
- Step 1: Write the proportion equation
1,317,744.42 : 1,817,129.61 = 1,127,387.94 : x - Step 2: Convert to fraction form
1,317,744.42/1,817,129.61 = 1,127,387.94/x - Step 3: Cross multiply
1,317,744.42x = 1,817,129.61 × 1,127,387.94 - Step 4: Simplify right side
1,317,744.42x = 2,048,610,007,730.90 - Step 5: Solve for x
x = 2,048,610,007,730.90/1,317,744.42 - Step 6: Final answer
x = 1,554,633.79
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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.