Home / 1,915,200.60-2,872,800.90-1,572,716.40

Finding the Fourth Proportional to 1,915,200.60, 2,872,800.90 and 1,572,716.40

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Solution

The fourth proportional to 1,915,200.60, 2,872,800.90 and 1,572,716.40 is: 2,359,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,200.60 : 2,872,800.90 = 1,572,716.40 : x
  2. Step 2: Convert to fraction form
    1,915,200.60/2,872,800.90 = 1,572,716.40/x
  3. Step 3: Cross multiply
    1,915,200.60x = 2,872,800.90 × 1,572,716.40
  4. Step 4: Simplify right side
    1,915,200.60x = 4,518,101,089,364.76
  5. Step 5: Solve for x
    x = 4,518,101,089,364.76/1,915,200.60
  6. Step 6: Final answer
    x = 2,359,074.60

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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.