Home / 4,673,647.12-7,009,769.47-1,478,358.11

Finding the Fourth Proportional to 4,673,647.12, 7,009,769.47 and 1,478,358.11

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Solution

The fourth proportional to 4,673,647.12, 7,009,769.47 and 1,478,358.11 is: 2,217,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673,647.12 : 7,009,769.47 = 1,478,358.11 : x
  2. Step 2: Convert to fraction form
    4,673,647.12/7,009,769.47 = 1,478,358.11/x
  3. Step 3: Cross multiply
    4,673,647.12x = 7,009,769.47 × 1,478,358.11
  4. Step 4: Simplify right side
    4,673,647.12x = 10,362,949,513,557.84
  5. Step 5: Solve for x
    x = 10,362,949,513,557.84/4,673,647.12
  6. Step 6: Final answer
    x = 2,217,315.35

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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.