Home / 1,889,855.68-2,607,953.76-1,030,432.72

Finding the Fourth Proportional to 1,889,855.68, 2,607,953.76 and 1,030,432.72

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Solution

The fourth proportional to 1,889,855.68, 2,607,953.76 and 1,030,432.72 is: 1,421,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,855.68 : 2,607,953.76 = 1,030,432.72 : x
  2. Step 2: Convert to fraction form
    1,889,855.68/2,607,953.76 = 1,030,432.72/x
  3. Step 3: Cross multiply
    1,889,855.68x = 2,607,953.76 × 1,030,432.72
  4. Step 4: Simplify right side
    1,889,855.68x = 2,687,320,886,551.03
  5. Step 5: Solve for x
    x = 2,687,320,886,551.03/1,889,855.68
  6. Step 6: Final answer
    x = 1,421,971.48

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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.