Home / 1,919,246.40-2,881,202.40-972,129.60

Finding the Fourth Proportional to 1,919,246.40, 2,881,202.40 and 972,129.60

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Solution

The fourth proportional to 1,919,246.40, 2,881,202.40 and 972,129.60 is: 1,459,376.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,246.40 : 2,881,202.40 = 972,129.60 : x
  2. Step 2: Convert to fraction form
    1,919,246.40/2,881,202.40 = 972,129.60/x
  3. Step 3: Cross multiply
    1,919,246.40x = 2,881,202.40 × 972,129.60
  4. Step 4: Simplify right side
    1,919,246.40x = 2,800,902,136,631.04
  5. Step 5: Solve for x
    x = 2,800,902,136,631.04/1,919,246.40
  6. Step 6: Final answer
    x = 1,459,376.00

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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.