Finding the Fourth Proportional to 1,778,404.88, 2,454,432.36 and 1,014,283.28
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Solution
The fourth proportional to 1,778,404.88, 2,454,432.36 and 1,014,283.28 is: 1,399,844.17
Step by Step Solution
- Step 1: Write the proportion equation
1,778,404.88 : 2,454,432.36 = 1,014,283.28 : x - Step 2: Convert to fraction form
1,778,404.88/2,454,432.36 = 1,014,283.28/x - Step 3: Cross multiply
1,778,404.88x = 2,454,432.36 × 1,014,283.28 - Step 4: Simplify right side
1,778,404.88x = 2,489,489,704,638.94 - Step 5: Solve for x
x = 2,489,489,704,638.94/1,778,404.88 - Step 6: Final answer
x = 1,399,844.17
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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.