Home / 1,907,038.98-2,630,613.48-1,142,649.60

Finding the Fourth Proportional to 1,907,038.98, 2,630,613.48 and 1,142,649.60

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Solution

The fourth proportional to 1,907,038.98, 2,630,613.48 and 1,142,649.60 is: 1,576,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,038.98 : 2,630,613.48 = 1,142,649.60 : x
  2. Step 2: Convert to fraction form
    1,907,038.98/2,630,613.48 = 1,142,649.60/x
  3. Step 3: Cross multiply
    1,907,038.98x = 2,630,613.48 × 1,142,649.60
  4. Step 4: Simplify right side
    1,907,038.98x = 3,005,869,440,676.61
  5. Step 5: Solve for x
    x = 3,005,869,440,676.61/1,907,038.98
  6. Step 6: Final answer
    x = 1,576,197.17

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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.