Home / 5,346,739.40-8,020,109.10-3,220,975.40

Finding the Fourth Proportional to 5,346,739.40, 8,020,109.10 and 3,220,975.40

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Solution

The fourth proportional to 5,346,739.40, 8,020,109.10 and 3,220,975.40 is: 4,831,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,739.40 : 8,020,109.10 = 3,220,975.40 : x
  2. Step 2: Convert to fraction form
    5,346,739.40/8,020,109.10 = 3,220,975.40/x
  3. Step 3: Cross multiply
    5,346,739.40x = 8,020,109.10 × 3,220,975.40
  4. Step 4: Simplify right side
    5,346,739.40x = 25,832,574,116,416.14
  5. Step 5: Solve for x
    x = 25,832,574,116,416.14/5,346,739.40
  6. Step 6: Final answer
    x = 4,831,463.10

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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.