Home / 1,880,403.34-2,590,308.38-1,603,860.30

Finding the Fourth Proportional to 1,880,403.34, 2,590,308.38 and 1,603,860.30

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Solution

The fourth proportional to 1,880,403.34, 2,590,308.38 and 1,603,860.30 is: 2,209,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,403.34 : 2,590,308.38 = 1,603,860.30 : x
  2. Step 2: Convert to fraction form
    1,880,403.34/2,590,308.38 = 1,603,860.30/x
  3. Step 3: Cross multiply
    1,880,403.34x = 2,590,308.38 × 1,603,860.30
  4. Step 4: Simplify right side
    1,880,403.34x = 4,154,492,775,439.31
  5. Step 5: Solve for x
    x = 4,154,492,775,439.31/1,880,403.34
  6. Step 6: Final answer
    x = 2,209,362.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.