Home / 3,140,927.84-4,712,337.63-1,118,907.83

Finding the Fourth Proportional to 3,140,927.84, 4,712,337.63 and 1,118,907.83

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Solution

The fourth proportional to 3,140,927.84, 4,712,337.63 and 1,118,907.83 is: 1,678,698.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,927.84 : 4,712,337.63 = 1,118,907.83 : x
  2. Step 2: Convert to fraction form
    3,140,927.84/4,712,337.63 = 1,118,907.83/x
  3. Step 3: Cross multiply
    3,140,927.84x = 4,712,337.63 × 1,118,907.83
  4. Step 4: Simplify right side
    3,140,927.84x = 5,272,671,448,248.95
  5. Step 5: Solve for x
    x = 5,272,671,448,248.95/3,140,927.84
  6. Step 6: Final answer
    x = 1,678,698.69

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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.