Home / 1,919,474.40-2,875,064.40-1,587,698.40

Finding the Fourth Proportional to 1,919,474.40, 2,875,064.40 and 1,587,698.40

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Solution

The fourth proportional to 1,919,474.40, 2,875,064.40 and 1,587,698.40 is: 2,378,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,474.40 : 2,875,064.40 = 1,587,698.40 : x
  2. Step 2: Convert to fraction form
    1,919,474.40/2,875,064.40 = 1,587,698.40/x
  3. Step 3: Cross multiply
    1,919,474.40x = 2,875,064.40 × 1,587,698.40
  4. Step 4: Simplify right side
    1,919,474.40x = 4,564,735,147,776.96
  5. Step 5: Solve for x
    x = 4,564,735,147,776.96/1,919,474.40
  6. Step 6: Final answer
    x = 2,378,117.23

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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.