Home / 2,989,420.60-4,483,256.10-1,070,109.40

Finding the Fourth Proportional to 2,989,420.60, 4,483,256.10 and 1,070,109.40

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Solution

The fourth proportional to 2,989,420.60, 4,483,256.10 and 1,070,109.40 is: 1,604,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,420.60 : 4,483,256.10 = 1,070,109.40 : x
  2. Step 2: Convert to fraction form
    2,989,420.60/4,483,256.10 = 1,070,109.40/x
  3. Step 3: Cross multiply
    2,989,420.60x = 4,483,256.10 × 1,070,109.40
  4. Step 4: Simplify right side
    2,989,420.60x = 4,797,574,495,217.34
  5. Step 5: Solve for x
    x = 4,797,574,495,217.34/2,989,420.60
  6. Step 6: Final answer
    x = 1,604,850.95

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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.