Finding the Fourth Proportional to 1,536,444.03, 2,121,089.09 and 1,122,516
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Solution
The fourth proportional to 1,536,444.03, 2,121,089.09 and 1,122,516 is: 1,549,653.87
Step by Step Solution
- Step 1: Write the proportion equation
1,536,444.03 : 2,121,089.09 = 1,122,516 : x - Step 2: Convert to fraction form
1,536,444.03/2,121,089.09 = 1,122,516/x - Step 3: Cross multiply
1,536,444.03x = 2,121,089.09 × 1,122,516 - Step 4: Simplify right side
1,536,444.03x = 2,380,956,435,337.86 - Step 5: Solve for x
x = 2,380,956,435,337.86/1,536,444.03 - Step 6: Final answer
x = 1,549,653.87
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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.