Finding the Fourth Proportional to 2,190,681.57, 3,286,396.01 and 976,698.70
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Solution
The fourth proportional to 2,190,681.57, 3,286,396.01 and 976,698.70 is: 1,465,214.64
Step by Step Solution
- Step 1: Write the proportion equation
2,190,681.57 : 3,286,396.01 = 976,698.70 : x - Step 2: Convert to fraction form
2,190,681.57/3,286,396.01 = 976,698.70/x - Step 3: Cross multiply
2,190,681.57x = 3,286,396.01 × 976,698.70 - Step 4: Simplify right side
2,190,681.57x = 3,209,818,710,652.19 - Step 5: Solve for x
x = 3,209,818,710,652.19/2,190,681.57 - Step 6: Final answer
x = 1,465,214.64
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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.