Home / 2,436,420.61-3,362,560.92-1,390,099.46

Finding the Fourth Proportional to 2,436,420.61, 3,362,560.92 and 1,390,099.46

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Solution

The fourth proportional to 2,436,420.61, 3,362,560.92 and 1,390,099.46 is: 1,918,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436,420.61 : 3,362,560.92 = 1,390,099.46 : x
  2. Step 2: Convert to fraction form
    2,436,420.61/3,362,560.92 = 1,390,099.46/x
  3. Step 3: Cross multiply
    2,436,420.61x = 3,362,560.92 × 1,390,099.46
  4. Step 4: Simplify right side
    2,436,420.61x = 4,674,294,127,515.51
  5. Step 5: Solve for x
    x = 4,674,294,127,515.51/2,436,420.61
  6. Step 6: Final answer
    x = 1,918,508.70

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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.