Home / 2,319,323.20-3,478,984.80-1,372,206.40

Finding the Fourth Proportional to 2,319,323.20, 3,478,984.80 and 1,372,206.40

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Solution

The fourth proportional to 2,319,323.20, 3,478,984.80 and 1,372,206.40 is: 2,058,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,323.20 : 3,478,984.80 = 1,372,206.40 : x
  2. Step 2: Convert to fraction form
    2,319,323.20/3,478,984.80 = 1,372,206.40/x
  3. Step 3: Cross multiply
    2,319,323.20x = 3,478,984.80 × 1,372,206.40
  4. Step 4: Simplify right side
    2,319,323.20x = 4,773,885,208,062.72
  5. Step 5: Solve for x
    x = 4,773,885,208,062.72/2,319,323.20
  6. Step 6: Final answer
    x = 2,058,309.60

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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.