Home / 1,987,281.70-2,977,423.35-1,630,363.30

Finding the Fourth Proportional to 1,987,281.70, 2,977,423.35 and 1,630,363.30

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Solution

The fourth proportional to 1,987,281.70, 2,977,423.35 and 1,630,363.30 is: 2,442,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,281.70 : 2,977,423.35 = 1,630,363.30 : x
  2. Step 2: Convert to fraction form
    1,987,281.70/2,977,423.35 = 1,630,363.30/x
  3. Step 3: Cross multiply
    1,987,281.70x = 2,977,423.35 × 1,630,363.30
  4. Step 4: Simplify right side
    1,987,281.70x = 4,854,281,758,403.06
  5. Step 5: Solve for x
    x = 4,854,281,758,403.06/1,987,281.70
  6. Step 6: Final answer
    x = 2,442,674.21

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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.