Home / 1,954,266.30-2,931,399.45-1,316,537.10

Finding the Fourth Proportional to 1,954,266.30, 2,931,399.45 and 1,316,537.10

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Solution

The fourth proportional to 1,954,266.30, 2,931,399.45 and 1,316,537.10 is: 1,974,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,266.30 : 2,931,399.45 = 1,316,537.10 : x
  2. Step 2: Convert to fraction form
    1,954,266.30/2,931,399.45 = 1,316,537.10/x
  3. Step 3: Cross multiply
    1,954,266.30x = 2,931,399.45 × 1,316,537.10
  4. Step 4: Simplify right side
    1,954,266.30x = 3,859,296,130,844.60
  5. Step 5: Solve for x
    x = 3,859,296,130,844.60/1,954,266.30
  6. Step 6: Final answer
    x = 1,974,805.65

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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.