Home / 2,698,443.56-4,046,462.60-778,898.40

Finding the Fourth Proportional to 2,698,443.56, 4,046,462.60 and 778,898.40

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Solution

The fourth proportional to 2,698,443.56, 4,046,462.60 and 778,898.40 is: 1,168,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,443.56 : 4,046,462.60 = 778,898.40 : x
  2. Step 2: Convert to fraction form
    2,698,443.56/4,046,462.60 = 778,898.40/x
  3. Step 3: Cross multiply
    2,698,443.56x = 4,046,462.60 × 778,898.40
  4. Step 4: Simplify right side
    2,698,443.56x = 3,151,783,240,905.35
  5. Step 5: Solve for x
    x = 3,151,783,240,905.35/2,698,443.56
  6. Step 6: Final answer
    x = 1,168,000.43

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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.