Home / 1,905,176.46-2,631,325.55-1,254,710.21

Finding the Fourth Proportional to 1,905,176.46, 2,631,325.55 and 1,254,710.21

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Solution

The fourth proportional to 1,905,176.46, 2,631,325.55 and 1,254,710.21 is: 1,732,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,176.46 : 2,631,325.55 = 1,254,710.21 : x
  2. Step 2: Convert to fraction form
    1,905,176.46/2,631,325.55 = 1,254,710.21/x
  3. Step 3: Cross multiply
    1,905,176.46x = 2,631,325.55 × 1,254,710.21
  4. Step 4: Simplify right side
    1,905,176.46x = 3,301,551,013,988.69
  5. Step 5: Solve for x
    x = 3,301,551,013,988.69/1,905,176.46
  6. Step 6: Final answer
    x = 1,732,937.12

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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.