Home / 2,918,668.40-4,378,002.60-1,798,924.40

Finding the Fourth Proportional to 2,918,668.40, 4,378,002.60 and 1,798,924.40

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Solution

The fourth proportional to 2,918,668.40, 4,378,002.60 and 1,798,924.40 is: 2,698,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,668.40 : 4,378,002.60 = 1,798,924.40 : x
  2. Step 2: Convert to fraction form
    2,918,668.40/4,378,002.60 = 1,798,924.40/x
  3. Step 3: Cross multiply
    2,918,668.40x = 4,378,002.60 × 1,798,924.40
  4. Step 4: Simplify right side
    2,918,668.40x = 7,875,695,700,403.44
  5. Step 5: Solve for x
    x = 7,875,695,700,403.44/2,918,668.40
  6. Step 6: Final answer
    x = 2,698,386.60

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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.