Home / 1,935,378.28-2,670,670.74-1,075,886.20

Finding the Fourth Proportional to 1,935,378.28, 2,670,670.74 and 1,075,886.20

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Solution

The fourth proportional to 1,935,378.28, 2,670,670.74 and 1,075,886.20 is: 1,484,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935,378.28 : 2,670,670.74 = 1,075,886.20 : x
  2. Step 2: Convert to fraction form
    1,935,378.28/2,670,670.74 = 1,075,886.20/x
  3. Step 3: Cross multiply
    1,935,378.28x = 2,670,670.74 × 1,075,886.20
  4. Step 4: Simplify right side
    1,935,378.28x = 2,873,337,793,909.79
  5. Step 5: Solve for x
    x = 2,873,337,793,909.79/1,935,378.28
  6. Step 6: Final answer
    x = 1,484,638.86

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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.