Home / 1,390,338.10-1,949,272.70-1,390,338.10

Finding the Fourth Proportional to 1,390,338.10, 1,949,272.70 and 1,390,338.10

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Solution

The fourth proportional to 1,390,338.10, 1,949,272.70 and 1,390,338.10 is: 1,949,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,338.10 : 1,949,272.70 = 1,390,338.10 : x
  2. Step 2: Convert to fraction form
    1,390,338.10/1,949,272.70 = 1,390,338.10/x
  3. Step 3: Cross multiply
    1,390,338.10x = 1,949,272.70 × 1,390,338.10
  4. Step 4: Simplify right side
    1,390,338.10x = 2,710,148,102,099.87
  5. Step 5: Solve for x
    x = 2,710,148,102,099.87/1,390,338.10
  6. Step 6: Final answer
    x = 1,949,272.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.