Home / 1,776,421.40-2,664,632.10-1,492,986.20

Finding the Fourth Proportional to 1,776,421.40, 2,664,632.10 and 1,492,986.20

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Solution

The fourth proportional to 1,776,421.40, 2,664,632.10 and 1,492,986.20 is: 2,239,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,421.40 : 2,664,632.10 = 1,492,986.20 : x
  2. Step 2: Convert to fraction form
    1,776,421.40/2,664,632.10 = 1,492,986.20/x
  3. Step 3: Cross multiply
    1,776,421.40x = 2,664,632.10 × 1,492,986.20
  4. Step 4: Simplify right side
    1,776,421.40x = 3,978,258,953,377.02
  5. Step 5: Solve for x
    x = 3,978,258,953,377.02/1,776,421.40
  6. Step 6: Final answer
    x = 2,239,479.30

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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.