Home / 4,158,901.06-6,238,946.69-1,280,511.42

Finding the Fourth Proportional to 4,158,901.06, 6,238,946.69 and 1,280,511.42

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Solution

The fourth proportional to 4,158,901.06, 6,238,946.69 and 1,280,511.42 is: 1,920,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158,901.06 : 6,238,946.69 = 1,280,511.42 : x
  2. Step 2: Convert to fraction form
    4,158,901.06/6,238,946.69 = 1,280,511.42/x
  3. Step 3: Cross multiply
    4,158,901.06x = 6,238,946.69 × 1,280,511.42
  4. Step 4: Simplify right side
    4,158,901.06x = 7,989,042,460,319.51
  5. Step 5: Solve for x
    x = 7,989,042,460,319.51/4,158,901.06
  6. Step 6: Final answer
    x = 1,920,950.35

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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.