Finding the Fourth Proportional to 1,462,917.84, 2,018,731.80 and 818,226.48
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Solution
The fourth proportional to 1,462,917.84, 2,018,731.80 and 818,226.48 is: 1,129,099.51
Step by Step Solution
- Step 1: Write the proportion equation
1,462,917.84 : 2,018,731.80 = 818,226.48 : x - Step 2: Convert to fraction form
1,462,917.84/2,018,731.80 = 818,226.48/x - Step 3: Cross multiply
1,462,917.84x = 2,018,731.80 × 818,226.48 - Step 4: Simplify right side
1,462,917.84x = 1,651,779,814,778.06 - Step 5: Solve for x
x = 1,651,779,814,778.06/1,462,917.84 - Step 6: Final answer
x = 1,129,099.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.