Finding the Fourth Proportional to 2,009,423.70, 3,014,135.55 and 513,515.70
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Solution
The fourth proportional to 2,009,423.70, 3,014,135.55 and 513,515.70 is: 770,273.55
Step by Step Solution
- Step 1: Write the proportion equation
2,009,423.70 : 3,014,135.55 = 513,515.70 : x - Step 2: Convert to fraction form
2,009,423.70/3,014,135.55 = 513,515.70/x - Step 3: Cross multiply
2,009,423.70x = 3,014,135.55 × 513,515.70 - Step 4: Simplify right side
2,009,423.70x = 1,547,805,926,853.14 - Step 5: Solve for x
x = 1,547,805,926,853.14/2,009,423.70 - Step 6: Final answer
x = 770,273.55
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Double scale
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Similar ratio
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1.5x scale
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.