Home / 1,762,215.40-2,643,323.10-1,655,927.20

Finding the Fourth Proportional to 1,762,215.40, 2,643,323.10 and 1,655,927.20

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Solution

The fourth proportional to 1,762,215.40, 2,643,323.10 and 1,655,927.20 is: 2,483,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,215.40 : 2,643,323.10 = 1,655,927.20 : x
  2. Step 2: Convert to fraction form
    1,762,215.40/2,643,323.10 = 1,655,927.20/x
  3. Step 3: Cross multiply
    1,762,215.40x = 2,643,323.10 × 1,655,927.20
  4. Step 4: Simplify right side
    1,762,215.40x = 4,377,150,619,678.32
  5. Step 5: Solve for x
    x = 4,377,150,619,678.32/1,762,215.40
  6. Step 6: Final answer
    x = 2,483,890.80

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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.