Home / 2,907,913.32-4,014,895.70-1,820,624.40

Finding the Fourth Proportional to 2,907,913.32, 4,014,895.70 and 1,820,624.40

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Solution

The fourth proportional to 2,907,913.32, 4,014,895.70 and 1,820,624.40 is: 2,513,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,913.32 : 4,014,895.70 = 1,820,624.40 : x
  2. Step 2: Convert to fraction form
    2,907,913.32/4,014,895.70 = 1,820,624.40/x
  3. Step 3: Cross multiply
    2,907,913.32x = 4,014,895.70 × 1,820,624.40
  4. Step 4: Simplify right side
    2,907,913.32x = 7,309,617,074,875.08
  5. Step 5: Solve for x
    x = 7,309,617,074,875.08/2,907,913.32
  6. Step 6: Final answer
    x = 2,513,698.41

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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.