Home / 2,872,655.88-3,964,085.10-1,583,507.40

Finding the Fourth Proportional to 2,872,655.88, 3,964,085.10 and 1,583,507.40

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Solution

The fourth proportional to 2,872,655.88, 3,964,085.10 and 1,583,507.40 is: 2,185,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,655.88 : 3,964,085.10 = 1,583,507.40 : x
  2. Step 2: Convert to fraction form
    2,872,655.88/3,964,085.10 = 1,583,507.40/x
  3. Step 3: Cross multiply
    2,872,655.88x = 3,964,085.10 × 1,583,507.40
  4. Step 4: Simplify right side
    2,872,655.88x = 6,277,158,090,079.74
  5. Step 5: Solve for x
    x = 6,277,158,090,079.74/2,872,655.88
  6. Step 6: Final answer
    x = 2,185,140.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.