Home / 1,985,554.96-2,955,875.30-1,973,745.20

Finding the Fourth Proportional to 1,985,554.96, 2,955,875.30 and 1,973,745.20

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Solution

The fourth proportional to 1,985,554.96, 2,955,875.30 and 1,973,745.20 is: 2,938,294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,554.96 : 2,955,875.30 = 1,973,745.20 : x
  2. Step 2: Convert to fraction form
    1,985,554.96/2,955,875.30 = 1,973,745.20/x
  3. Step 3: Cross multiply
    1,985,554.96x = 2,955,875.30 × 1,973,745.20
  4. Step 4: Simplify right side
    1,985,554.96x = 5,834,144,685,173.56
  5. Step 5: Solve for x
    x = 5,834,144,685,173.56/1,985,554.96
  6. Step 6: Final answer
    x = 2,938,294.23

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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.