Home / 3,920,106.94-5,871,587.37-2,779,411.48

Finding the Fourth Proportional to 3,920,106.94, 5,871,587.37 and 2,779,411.48

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Solution

The fourth proportional to 3,920,106.94, 5,871,587.37 and 2,779,411.48 is: 4,163,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,106.94 : 5,871,587.37 = 2,779,411.48 : x
  2. Step 2: Convert to fraction form
    3,920,106.94/5,871,587.37 = 2,779,411.48/x
  3. Step 3: Cross multiply
    3,920,106.94x = 5,871,587.37 × 2,779,411.48
  4. Step 4: Simplify right side
    3,920,106.94x = 16,319,557,342,001.01
  5. Step 5: Solve for x
    x = 16,319,557,342,001.01/3,920,106.94
  6. Step 6: Final answer
    x = 4,163,038.81

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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.