Home / 2,671,878.96-4,007,429.64-778,111.92

Finding the Fourth Proportional to 2,671,878.96, 4,007,429.64 and 778,111.92

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Solution

The fourth proportional to 2,671,878.96, 4,007,429.64 and 778,111.92 is: 1,167,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671,878.96 : 4,007,429.64 = 778,111.92 : x
  2. Step 2: Convert to fraction form
    2,671,878.96/4,007,429.64 = 778,111.92/x
  3. Step 3: Cross multiply
    2,671,878.96x = 4,007,429.64 × 778,111.92
  4. Step 4: Simplify right side
    2,671,878.96x = 3,118,228,771,445.31
  5. Step 5: Solve for x
    x = 3,118,228,771,445.31/2,671,878.96
  6. Step 6: Final answer
    x = 1,167,054.65

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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.