Home / 3,109,154.76-4,664,368.80-1,312,038.54

Finding the Fourth Proportional to 3,109,154.76, 4,664,368.80 and 1,312,038.54

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Solution

The fourth proportional to 3,109,154.76, 4,664,368.80 and 1,312,038.54 is: 1,968,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,154.76 : 4,664,368.80 = 1,312,038.54 : x
  2. Step 2: Convert to fraction form
    3,109,154.76/4,664,368.80 = 1,312,038.54/x
  3. Step 3: Cross multiply
    3,109,154.76x = 4,664,368.80 × 1,312,038.54
  4. Step 4: Simplify right side
    3,109,154.76x = 6,119,831,630,373.55
  5. Step 5: Solve for x
    x = 6,119,831,630,373.55/3,109,154.76
  6. Step 6: Final answer
    x = 1,968,326.48

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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.