Home / 2,113,107.40-3,168,494.70-692,432.20

Finding the Fourth Proportional to 2,113,107.40, 3,168,494.70 and 692,432.20

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Solution

The fourth proportional to 2,113,107.40, 3,168,494.70 and 692,432.20 is: 1,038,266.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,107.40 : 3,168,494.70 = 692,432.20 : x
  2. Step 2: Convert to fraction form
    2,113,107.40/3,168,494.70 = 692,432.20/x
  3. Step 3: Cross multiply
    2,113,107.40x = 3,168,494.70 × 692,432.20
  4. Step 4: Simplify right side
    2,113,107.40x = 2,193,967,755,809.34
  5. Step 5: Solve for x
    x = 2,193,967,755,809.34/2,113,107.40
  6. Step 6: Final answer
    x = 1,038,266.09

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1.5x scale

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.