Home / 2,768,876.40-4,152,925.80-875,809.20

Finding the Fourth Proportional to 2,768,876.40, 4,152,925.80 and 875,809.20

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Solution

The fourth proportional to 2,768,876.40, 4,152,925.80 and 875,809.20 is: 1,313,590.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,876.40 : 4,152,925.80 = 875,809.20 : x
  2. Step 2: Convert to fraction form
    2,768,876.40/4,152,925.80 = 875,809.20/x
  3. Step 3: Cross multiply
    2,768,876.40x = 4,152,925.80 × 875,809.20
  4. Step 4: Simplify right side
    2,768,876.40x = 3,637,170,622,557.36
  5. Step 5: Solve for x
    x = 3,637,170,622,557.36/2,768,876.40
  6. Step 6: Final answer
    x = 1,313,590.82

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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.