Home / 1,905,931.70-2,630,323.77-1,260,232.10

Finding the Fourth Proportional to 1,905,931.70, 2,630,323.77 and 1,260,232.10

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Solution

The fourth proportional to 1,905,931.70, 2,630,323.77 and 1,260,232.10 is: 1,739,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,931.70 : 2,630,323.77 = 1,260,232.10 : x
  2. Step 2: Convert to fraction form
    1,905,931.70/2,630,323.77 = 1,260,232.10/x
  3. Step 3: Cross multiply
    1,905,931.70x = 2,630,323.77 × 1,260,232.10
  4. Step 4: Simplify right side
    1,905,931.70x = 3,314,818,448,347.02
  5. Step 5: Solve for x
    x = 3,314,818,448,347.02/1,905,931.70
  6. Step 6: Final answer
    x = 1,739,211.56

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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.