Home / 3,572,390.40-5,358,585.60-1,208,486.40

Finding the Fourth Proportional to 3,572,390.40, 5,358,585.60 and 1,208,486.40

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Solution

The fourth proportional to 3,572,390.40, 5,358,585.60 and 1,208,486.40 is: 1,812,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572,390.40 : 5,358,585.60 = 1,208,486.40 : x
  2. Step 2: Convert to fraction form
    3,572,390.40/5,358,585.60 = 1,208,486.40/x
  3. Step 3: Cross multiply
    3,572,390.40x = 5,358,585.60 × 1,208,486.40
  4. Step 4: Simplify right side
    3,572,390.40x = 6,475,777,820,835.84
  5. Step 5: Solve for x
    x = 6,475,777,820,835.84/3,572,390.40
  6. Step 6: Final answer
    x = 1,812,729.60

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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.