Home / 2,549,962.81-3,518,815.12-1,403,821.72

Finding the Fourth Proportional to 2,549,962.81, 3,518,815.12 and 1,403,821.72

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Solution

The fourth proportional to 2,549,962.81, 3,518,815.12 and 1,403,821.72 is: 1,937,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549,962.81 : 3,518,815.12 = 1,403,821.72 : x
  2. Step 2: Convert to fraction form
    2,549,962.81/3,518,815.12 = 1,403,821.72/x
  3. Step 3: Cross multiply
    2,549,962.81x = 3,518,815.12 × 1,403,821.72
  4. Step 4: Simplify right side
    2,549,962.81x = 4,939,789,094,120.41
  5. Step 5: Solve for x
    x = 4,939,789,094,120.41/2,549,962.81
  6. Step 6: Final answer
    x = 1,937,200.45

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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.