Finding the Fourth Proportional to 2,217,781.41, 3,060,410.63 and 1,237,643.57
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Solution
The fourth proportional to 2,217,781.41, 3,060,410.63 and 1,237,643.57 is: 1,707,876.85
Step by Step Solution
- Step 1: Write the proportion equation
2,217,781.41 : 3,060,410.63 = 1,237,643.57 : x - Step 2: Convert to fraction form
2,217,781.41/3,060,410.63 = 1,237,643.57/x - Step 3: Cross multiply
2,217,781.41x = 3,060,410.63 × 1,237,643.57 - Step 4: Simplify right side
2,217,781.41x = 3,787,697,522,477.10 - Step 5: Solve for x
x = 3,787,697,522,477.10/2,217,781.41 - Step 6: Final answer
x = 1,707,876.85
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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.