Home / 3,400,339.61-4,692,111.90-1,929,779.87

Finding the Fourth Proportional to 3,400,339.61, 4,692,111.90 and 1,929,779.87

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Solution

The fourth proportional to 3,400,339.61, 4,692,111.90 and 1,929,779.87 is: 2,662,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400,339.61 : 4,692,111.90 = 1,929,779.87 : x
  2. Step 2: Convert to fraction form
    3,400,339.61/4,692,111.90 = 1,929,779.87/x
  3. Step 3: Cross multiply
    3,400,339.61x = 4,692,111.90 × 1,929,779.87
  4. Step 4: Simplify right side
    3,400,339.61x = 9,054,743,068,946.90
  5. Step 5: Solve for x
    x = 9,054,743,068,946.90/3,400,339.61
  6. Step 6: Final answer
    x = 2,662,893.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.