Finding the Fourth Proportional to 2,280,664.68, 3,418,266.80 and 1,064,605.20
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Solution
The fourth proportional to 2,280,664.68, 3,418,266.80 and 1,064,605.20 is: 1,595,633.34
Step by Step Solution
- Step 1: Write the proportion equation
2,280,664.68 : 3,418,266.80 = 1,064,605.20 : x - Step 2: Convert to fraction form
2,280,664.68/3,418,266.80 = 1,064,605.20/x - Step 3: Cross multiply
2,280,664.68x = 3,418,266.80 × 1,064,605.20 - Step 4: Simplify right side
2,280,664.68x = 3,639,104,610,267.36 - Step 5: Solve for x
x = 3,639,104,610,267.36/2,280,664.68 - Step 6: Final answer
x = 1,595,633.34
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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.