Finding the Fourth Proportional to 1,759,901.13, 2,428,698.03 and 1,148,445.09
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Solution
The fourth proportional to 1,759,901.13, 2,428,698.03 and 1,148,445.09 is: 1,584,876.72
Step by Step Solution
- Step 1: Write the proportion equation
1,759,901.13 : 2,428,698.03 = 1,148,445.09 : x - Step 2: Convert to fraction form
1,759,901.13/2,428,698.03 = 1,148,445.09/x - Step 3: Cross multiply
1,759,901.13x = 2,428,698.03 × 1,148,445.09 - Step 4: Simplify right side
1,759,901.13x = 2,789,226,327,646.17 - Step 5: Solve for x
x = 2,789,226,327,646.17/1,759,901.13 - Step 6: Final answer
x = 1,584,876.72
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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.