Home / 2,249,357.50-3,105,534.90-1,390,405.96

Finding the Fourth Proportional to 2,249,357.50, 3,105,534.90 and 1,390,405.96

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Solution

The fourth proportional to 2,249,357.50, 3,105,534.90 and 1,390,405.96 is: 1,919,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249,357.50 : 3,105,534.90 = 1,390,405.96 : x
  2. Step 2: Convert to fraction form
    2,249,357.50/3,105,534.90 = 1,390,405.96/x
  3. Step 3: Cross multiply
    2,249,357.50x = 3,105,534.90 × 1,390,405.96
  4. Step 4: Simplify right side
    2,249,357.50x = 4,317,954,233,948.00
  5. Step 5: Solve for x
    x = 4,317,954,233,948.00/2,249,357.50
  6. Step 6: Final answer
    x = 1,919,638.93

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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.