Home / 2,909,116.55-4,360,680.70-1,290,647.58

Finding the Fourth Proportional to 2,909,116.55, 4,360,680.70 and 1,290,647.58

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Solution

The fourth proportional to 2,909,116.55, 4,360,680.70 and 1,290,647.58 is: 1,934,643.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,116.55 : 4,360,680.70 = 1,290,647.58 : x
  2. Step 2: Convert to fraction form
    2,909,116.55/4,360,680.70 = 1,290,647.58/x
  3. Step 3: Cross multiply
    2,909,116.55x = 4,360,680.70 × 1,290,647.58
  4. Step 4: Simplify right side
    2,909,116.55x = 5,628,102,003,509.41
  5. Step 5: Solve for x
    x = 5,628,102,003,509.41/2,909,116.55
  6. Step 6: Final answer
    x = 1,934,643.01

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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.