Finding the Fourth Proportional to 2,183,993.35, 3,013,920.93 and 1,266,765.55
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Solution
The fourth proportional to 2,183,993.35, 3,013,920.93 and 1,266,765.55 is: 1,748,142.32
Step by Step Solution
- Step 1: Write the proportion equation
2,183,993.35 : 3,013,920.93 = 1,266,765.55 : x - Step 2: Convert to fraction form
2,183,993.35/3,013,920.93 = 1,266,765.55/x - Step 3: Cross multiply
2,183,993.35x = 3,013,920.93 × 1,266,765.55 - Step 4: Simplify right side
2,183,993.35x = 3,817,931,204,547.96 - Step 5: Solve for x
x = 3,817,931,204,547.96/2,183,993.35 - Step 6: Final answer
x = 1,748,142.32
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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.