Home / 2,130,106.44-3,195,050.76-782,165.40

Finding the Fourth Proportional to 2,130,106.44, 3,195,050.76 and 782,165.40

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Solution

The fourth proportional to 2,130,106.44, 3,195,050.76 and 782,165.40 is: 1,173,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,106.44 : 3,195,050.76 = 782,165.40 : x
  2. Step 2: Convert to fraction form
    2,130,106.44/3,195,050.76 = 782,165.40/x
  3. Step 3: Cross multiply
    2,130,106.44x = 3,195,050.76 × 782,165.40
  4. Step 4: Simplify right side
    2,130,106.44x = 2,499,058,155,715.70
  5. Step 5: Solve for x
    x = 2,499,058,155,715.70/2,130,106.44
  6. Step 6: Final answer
    x = 1,173,208.11

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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.