Home / 3,109,210.30-4,653,281.40-1,911,890.98

Finding the Fourth Proportional to 3,109,210.30, 4,653,281.40 and 1,911,890.98

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Solution

The fourth proportional to 3,109,210.30, 4,653,281.40 and 1,911,890.98 is: 2,861,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,210.30 : 4,653,281.40 = 1,911,890.98 : x
  2. Step 2: Convert to fraction form
    3,109,210.30/4,653,281.40 = 1,911,890.98/x
  3. Step 3: Cross multiply
    3,109,210.30x = 4,653,281.40 × 1,911,890.98
  4. Step 4: Simplify right side
    3,109,210.30x = 8,896,566,736,061.77
  5. Step 5: Solve for x
    x = 8,896,566,736,061.77/3,109,210.30
  6. Step 6: Final answer
    x = 2,861,358.96

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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.