Home / 1,830,000.21-2,728,639.59-1,779,722.31

Finding the Fourth Proportional to 1,830,000.21, 2,728,639.59 and 1,779,722.31

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Solution

The fourth proportional to 1,830,000.21, 2,728,639.59 and 1,779,722.31 is: 2,653,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830,000.21 : 2,728,639.59 = 1,779,722.31 : x
  2. Step 2: Convert to fraction form
    1,830,000.21/2,728,639.59 = 1,779,722.31/x
  3. Step 3: Cross multiply
    1,830,000.21x = 2,728,639.59 × 1,779,722.31
  4. Step 4: Simplify right side
    1,830,000.21x = 4,856,220,754,272.25
  5. Step 5: Solve for x
    x = 4,856,220,754,272.25/1,830,000.21
  6. Step 6: Final answer
    x = 2,653,672.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.