Finding the Fourth Proportional to 1,838,633.99, 2,536,278.15 and 1,103,400.23
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Solution
The fourth proportional to 1,838,633.99, 2,536,278.15 and 1,103,400.23 is: 1,522,070.14
Step by Step Solution
- Step 1: Write the proportion equation
1,838,633.99 : 2,536,278.15 = 1,103,400.23 : x - Step 2: Convert to fraction form
1,838,633.99/2,536,278.15 = 1,103,400.23/x - Step 3: Cross multiply
1,838,633.99x = 2,536,278.15 × 1,103,400.23 - Step 4: Simplify right side
1,838,633.99x = 2,798,529,881,372.58 - Step 5: Solve for x
x = 2,798,529,881,372.58/1,838,633.99 - Step 6: Final answer
x = 1,522,070.14
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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.