Home / 3,218,461.86-4,828,532.18-1,869,327.36

Finding the Fourth Proportional to 3,218,461.86, 4,828,532.18 and 1,869,327.36

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Solution

The fourth proportional to 3,218,461.86, 4,828,532.18 and 1,869,327.36 is: 2,804,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,461.86 : 4,828,532.18 = 1,869,327.36 : x
  2. Step 2: Convert to fraction form
    3,218,461.86/4,828,532.18 = 1,869,327.36/x
  3. Step 3: Cross multiply
    3,218,461.86x = 4,828,532.18 × 1,869,327.36
  4. Step 4: Simplify right side
    3,218,461.86x = 9,026,107,312,714.45
  5. Step 5: Solve for x
    x = 9,026,107,312,714.45/3,218,461.86
  6. Step 6: Final answer
    x = 2,804,478.57

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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.