Home / 2,127,166.31-2,934,984.58-1,209,323.52

Finding the Fourth Proportional to 2,127,166.31, 2,934,984.58 and 1,209,323.52

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Solution

The fourth proportional to 2,127,166.31, 2,934,984.58 and 1,209,323.52 is: 1,668,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,166.31 : 2,934,984.58 = 1,209,323.52 : x
  2. Step 2: Convert to fraction form
    2,127,166.31/2,934,984.58 = 1,209,323.52/x
  3. Step 3: Cross multiply
    2,127,166.31x = 2,934,984.58 × 1,209,323.52
  4. Step 4: Simplify right side
    2,127,166.31x = 3,549,345,880,408.01
  5. Step 5: Solve for x
    x = 3,549,345,880,408.01/2,127,166.31
  6. Step 6: Final answer
    x = 1,668,579.40

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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.