Finding the Fourth Proportional to 1,828,129.60, 2,742,449.55 and 762,927.49
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Solution
The fourth proportional to 1,828,129.60, 2,742,449.55 and 762,927.49 is: 1,144,497.72
Step by Step Solution
- Step 1: Write the proportion equation
1,828,129.60 : 2,742,449.55 = 762,927.49 : x - Step 2: Convert to fraction form
1,828,129.60/2,742,449.55 = 762,927.49/x - Step 3: Cross multiply
1,828,129.60x = 2,742,449.55 × 762,927.49 - Step 4: Simplify right side
1,828,129.60x = 2,092,290,151,633.13 - Step 5: Solve for x
x = 2,092,290,151,633.13/1,828,129.60 - Step 6: Final answer
x = 1,144,497.72
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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.