Home / 3,130,607.10-4,693,176.90-1,212,826.80

Finding the Fourth Proportional to 3,130,607.10, 4,693,176.90 and 1,212,826.80

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Solution

The fourth proportional to 3,130,607.10, 4,693,176.90 and 1,212,826.80 is: 1,818,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,607.10 : 4,693,176.90 = 1,212,826.80 : x
  2. Step 2: Convert to fraction form
    3,130,607.10/4,693,176.90 = 1,212,826.80/x
  3. Step 3: Cross multiply
    3,130,607.10x = 4,693,176.90 × 1,212,826.80
  4. Step 4: Simplify right side
    3,130,607.10x = 5,692,010,721,460.92
  5. Step 5: Solve for x
    x = 5,692,010,721,460.92/3,130,607.10
  6. Step 6: Final answer
    x = 1,818,181.12

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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.