Home / 2,772,038.70-4,158,058.05-1,708,281.90

Finding the Fourth Proportional to 2,772,038.70, 4,158,058.05 and 1,708,281.90

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Solution

The fourth proportional to 2,772,038.70, 4,158,058.05 and 1,708,281.90 is: 2,562,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,038.70 : 4,158,058.05 = 1,708,281.90 : x
  2. Step 2: Convert to fraction form
    2,772,038.70/4,158,058.05 = 1,708,281.90/x
  3. Step 3: Cross multiply
    2,772,038.70x = 4,158,058.05 × 1,708,281.90
  4. Step 4: Simplify right side
    2,772,038.70x = 7,103,135,305,964.29
  5. Step 5: Solve for x
    x = 7,103,135,305,964.29/2,772,038.70
  6. Step 6: Final answer
    x = 2,562,422.85

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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.