Home / 2,780,927.53-3,838,068.78-2,009,055.65

Finding the Fourth Proportional to 2,780,927.53, 3,838,068.78 and 2,009,055.65

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Solution

The fourth proportional to 2,780,927.53, 3,838,068.78 and 2,009,055.65 is: 2,772,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,927.53 : 3,838,068.78 = 2,009,055.65 : x
  2. Step 2: Convert to fraction form
    2,780,927.53/3,838,068.78 = 2,009,055.65/x
  3. Step 3: Cross multiply
    2,780,927.53x = 3,838,068.78 × 2,009,055.65
  4. Step 4: Simplify right side
    2,780,927.53x = 7,710,893,748,357.26
  5. Step 5: Solve for x
    x = 7,710,893,748,357.26/2,780,927.53
  6. Step 6: Final answer
    x = 2,772,777.67

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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.