Home / 1,914,970.36-2,873,111.70-653,683.72

Finding the Fourth Proportional to 1,914,970.36, 2,873,111.70 and 653,683.72

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Solution

The fourth proportional to 1,914,970.36, 2,873,111.70 and 653,683.72 is: 980,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,970.36 : 2,873,111.70 = 653,683.72 : x
  2. Step 2: Convert to fraction form
    1,914,970.36/2,873,111.70 = 653,683.72/x
  3. Step 3: Cross multiply
    1,914,970.36x = 2,873,111.70 × 653,683.72
  4. Step 4: Simplify right side
    1,914,970.36x = 1,878,106,344,031.52
  5. Step 5: Solve for x
    x = 1,878,106,344,031.52/1,914,970.36
  6. Step 6: Final answer
    x = 980,749.56

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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.