Finding the Fourth Proportional to 2,249,119.68, 3,103,829.96 and 1,230,546.28
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Solution
The fourth proportional to 2,249,119.68, 3,103,829.96 and 1,230,546.28 is: 1,698,178.38
Step by Step Solution
- Step 1: Write the proportion equation
2,249,119.68 : 3,103,829.96 = 1,230,546.28 : x - Step 2: Convert to fraction form
2,249,119.68/3,103,829.96 = 1,230,546.28/x - Step 3: Cross multiply
2,249,119.68x = 3,103,829.96 × 1,230,546.28 - Step 4: Simplify right side
2,249,119.68x = 3,819,406,411,030.55 - Step 5: Solve for x
x = 3,819,406,411,030.55/2,249,119.68 - Step 6: Final answer
x = 1,698,178.38
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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.