Home / 5,455,386.98-8,182,783.86-1,668,869.86

Finding the Fourth Proportional to 5,455,386.98, 8,182,783.86 and 1,668,869.86

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Solution

The fourth proportional to 5,455,386.98, 8,182,783.86 and 1,668,869.86 is: 2,503,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,386.98 : 8,182,783.86 = 1,668,869.86 : x
  2. Step 2: Convert to fraction form
    5,455,386.98/8,182,783.86 = 1,668,869.86/x
  3. Step 3: Cross multiply
    5,455,386.98x = 8,182,783.86 × 1,668,869.86
  4. Step 4: Simplify right side
    5,455,386.98x = 13,656,001,354,848.46
  5. Step 5: Solve for x
    x = 13,656,001,354,848.46/5,455,386.98
  6. Step 6: Final answer
    x = 2,503,214.05

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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.