Finding the Fourth Proportional to 2,390,303.12, 3,298,618.69 and 1,302,575.18
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Solution
The fourth proportional to 2,390,303.12, 3,298,618.69 and 1,302,575.18 is: 1,797,553.95
Step by Step Solution
- Step 1: Write the proportion equation
2,390,303.12 : 3,298,618.69 = 1,302,575.18 : x - Step 2: Convert to fraction form
2,390,303.12/3,298,618.69 = 1,302,575.18/x - Step 3: Cross multiply
2,390,303.12x = 3,298,618.69 × 1,302,575.18 - Step 4: Simplify right side
2,390,303.12x = 4,296,698,814,128.58 - Step 5: Solve for x
x = 4,296,698,814,128.58/2,390,303.12 - Step 6: Final answer
x = 1,797,553.95
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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.