Home / 5,580,528-8,370,870.72-1,591,440

Finding the Fourth Proportional to 5,580,528, 8,370,870.72 and 1,591,440

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Solution

The fourth proportional to 5,580,528, 8,370,870.72 and 1,591,440 is: 2,387,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580,528 : 8,370,870.72 = 1,591,440 : x
  2. Step 2: Convert to fraction form
    5,580,528/8,370,870.72 = 1,591,440/x
  3. Step 3: Cross multiply
    5,580,528x = 8,370,870.72 × 1,591,440
  4. Step 4: Simplify right side
    5,580,528x = 13,321,738,498,636.80
  5. Step 5: Solve for x
    x = 13,321,738,498,636.80/5,580,528
  6. Step 6: Final answer
    x = 2,387,182.45

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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.