Home / 5,784,603.28-7,978,607.40-3,822,208.40

Finding the Fourth Proportional to 5,784,603.28, 7,978,607.40 and 3,822,208.40

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Solution

The fourth proportional to 5,784,603.28, 7,978,607.40 and 3,822,208.40 is: 5,271,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784,603.28 : 7,978,607.40 = 3,822,208.40 : x
  2. Step 2: Convert to fraction form
    5,784,603.28/7,978,607.40 = 3,822,208.40/x
  3. Step 3: Cross multiply
    5,784,603.28x = 7,978,607.40 × 3,822,208.40
  4. Step 4: Simplify right side
    5,784,603.28x = 30,495,900,224,582.16
  5. Step 5: Solve for x
    x = 30,495,900,224,582.16/5,784,603.28
  6. Step 6: Final answer
    x = 5,271,908.68

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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.