Home / 1,868,445.23-2,578,454.36-1,009,005.45

Finding the Fourth Proportional to 1,868,445.23, 2,578,454.36 and 1,009,005.45

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Solution

The fourth proportional to 1,868,445.23, 2,578,454.36 and 1,009,005.45 is: 1,392,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,445.23 : 2,578,454.36 = 1,009,005.45 : x
  2. Step 2: Convert to fraction form
    1,868,445.23/2,578,454.36 = 1,009,005.45/x
  3. Step 3: Cross multiply
    1,868,445.23x = 2,578,454.36 × 1,009,005.45
  4. Step 4: Simplify right side
    1,868,445.23x = 2,601,674,496,771.23
  5. Step 5: Solve for x
    x = 2,601,674,496,771.23/1,868,445.23
  6. Step 6: Final answer
    x = 1,392,427.49

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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.