Home / 2,488,681.40-3,736,958.70-1,890,318.20

Finding the Fourth Proportional to 2,488,681.40, 3,736,958.70 and 1,890,318.20

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Solution

The fourth proportional to 2,488,681.40, 3,736,958.70 and 1,890,318.20 is: 2,838,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488,681.40 : 3,736,958.70 = 1,890,318.20 : x
  2. Step 2: Convert to fraction form
    2,488,681.40/3,736,958.70 = 1,890,318.20/x
  3. Step 3: Cross multiply
    2,488,681.40x = 3,736,958.70 × 1,890,318.20
  4. Step 4: Simplify right side
    2,488,681.40x = 7,064,041,043,258.34
  5. Step 5: Solve for x
    x = 7,064,041,043,258.34/2,488,681.40
  6. Step 6: Final answer
    x = 2,838,467.41

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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.