Home / 3,118,386.50-4,303,373.38-1,687,602.50

Finding the Fourth Proportional to 3,118,386.50, 4,303,373.38 and 1,687,602.50

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Solution

The fourth proportional to 3,118,386.50, 4,303,373.38 and 1,687,602.50 is: 2,328,891.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,386.50 : 4,303,373.38 = 1,687,602.50 : x
  2. Step 2: Convert to fraction form
    3,118,386.50/4,303,373.38 = 1,687,602.50/x
  3. Step 3: Cross multiply
    3,118,386.50x = 4,303,373.38 × 1,687,602.50
  4. Step 4: Simplify right side
    3,118,386.50x = 7,262,383,674,521.45
  5. Step 5: Solve for x
    x = 7,262,383,674,521.45/3,118,386.50
  6. Step 6: Final answer
    x = 2,328,891.46

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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.