Finding the Fourth Proportional to 1,349,444.04, 2,023,867.20 and 389,690.70
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Solution
The fourth proportional to 1,349,444.04, 2,023,867.20 and 389,690.70 is: 584,449.75
Step by Step Solution
- Step 1: Write the proportion equation
1,349,444.04 : 2,023,867.20 = 389,690.70 : x - Step 2: Convert to fraction form
1,349,444.04/2,023,867.20 = 389,690.70/x - Step 3: Cross multiply
1,349,444.04x = 2,023,867.20 × 389,690.70 - Step 4: Simplify right side
1,349,444.04x = 788,682,225,875.04 - Step 5: Solve for x
x = 788,682,225,875.04/1,349,444.04 - Step 6: Final answer
x = 584,449.75
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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.