Finding the Fourth Proportional to 2,238,167.70, 3,357,251.55 and 742,259.70
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Solution
The fourth proportional to 2,238,167.70, 3,357,251.55 and 742,259.70 is: 1,113,389.55
Step by Step Solution
- Step 1: Write the proportion equation
2,238,167.70 : 3,357,251.55 = 742,259.70 : x - Step 2: Convert to fraction form
2,238,167.70/3,357,251.55 = 742,259.70/x - Step 3: Cross multiply
2,238,167.70x = 3,357,251.55 × 742,259.70 - Step 4: Simplify right side
2,238,167.70x = 2,491,952,528,327.53 - Step 5: Solve for x
x = 2,491,952,528,327.53/2,238,167.70 - Step 6: Final answer
x = 1,113,389.55
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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.