Home / 1,889,854.68-2,607,952.38-1,030,431.72

Finding the Fourth Proportional to 1,889,854.68, 2,607,952.38 and 1,030,431.72

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Solution

The fourth proportional to 1,889,854.68, 2,607,952.38 and 1,030,431.72 is: 1,421,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,854.68 : 2,607,952.38 = 1,030,431.72 : x
  2. Step 2: Convert to fraction form
    1,889,854.68/2,607,952.38 = 1,030,431.72/x
  3. Step 3: Cross multiply
    1,889,854.68x = 2,607,952.38 × 1,030,431.72
  4. Step 4: Simplify right side
    1,889,854.68x = 2,687,316,856,601.49
  5. Step 5: Solve for x
    x = 2,687,316,856,601.49/1,889,854.68
  6. Step 6: Final answer
    x = 1,421,970.10

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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.