Home / 5,280,277.65-7,920,349.58-1,685,999.01

Finding the Fourth Proportional to 5,280,277.65, 7,920,349.58 and 1,685,999.01

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Solution

The fourth proportional to 5,280,277.65, 7,920,349.58 and 1,685,999.01 is: 2,528,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,277.65 : 7,920,349.58 = 1,685,999.01 : x
  2. Step 2: Convert to fraction form
    5,280,277.65/7,920,349.58 = 1,685,999.01/x
  3. Step 3: Cross multiply
    5,280,277.65x = 7,920,349.58 × 1,685,999.01
  4. Step 4: Simplify right side
    5,280,277.65x = 13,353,701,542,303.92
  5. Step 5: Solve for x
    x = 13,353,701,542,303.92/5,280,277.65
  6. Step 6: Final answer
    x = 2,528,977.15

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1.5x scale

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.