Finding the Fourth Proportional to 1,840,317.40, 2,539,754.02 and 1,115,228.52
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Solution
The fourth proportional to 1,840,317.40, 2,539,754.02 and 1,115,228.52 is: 1,539,085.66
Step by Step Solution
- Step 1: Write the proportion equation
1,840,317.40 : 2,539,754.02 = 1,115,228.52 : x - Step 2: Convert to fraction form
1,840,317.40/2,539,754.02 = 1,115,228.52/x - Step 3: Cross multiply
1,840,317.40x = 2,539,754.02 × 1,115,228.52 - Step 4: Simplify right side
1,840,317.40x = 2,832,406,116,888.65 - Step 5: Solve for x
x = 2,832,406,116,888.65/1,840,317.40 - Step 6: Final answer
x = 1,539,085.66
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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.