Home / 3,075,978.40-4,615,620.08-1,280,100

Finding the Fourth Proportional to 3,075,978.40, 4,615,620.08 and 1,280,100

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Solution

The fourth proportional to 3,075,978.40, 4,615,620.08 and 1,280,100 is: 1,920,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075,978.40 : 4,615,620.08 = 1,280,100 : x
  2. Step 2: Convert to fraction form
    3,075,978.40/4,615,620.08 = 1,280,100/x
  3. Step 3: Cross multiply
    3,075,978.40x = 4,615,620.08 × 1,280,100
  4. Step 4: Simplify right side
    3,075,978.40x = 5,908,455,264,408
  5. Step 5: Solve for x
    x = 5,908,455,264,408/3,075,978.40
  6. Step 6: Final answer
    x = 1,920,837.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.