Finding the Fourth Proportional to 1,557,454.41, 2,149,283.07 and 869,118.93
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Solution
The fourth proportional to 1,557,454.41, 2,149,283.07 and 869,118.93 is: 1,199,381.88
Step by Step Solution
- Step 1: Write the proportion equation
1,557,454.41 : 2,149,283.07 = 869,118.93 : x - Step 2: Convert to fraction form
1,557,454.41/2,149,283.07 = 869,118.93/x - Step 3: Cross multiply
1,557,454.41x = 2,149,283.07 × 869,118.93 - Step 4: Simplify right side
1,557,454.41x = 1,867,982,602,065.52 - Step 5: Solve for x
x = 1,867,982,602,065.52/1,557,454.41 - Step 6: Final answer
x = 1,199,381.88
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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.