Home / 2,551,967.77-3,521,683.03-1,390,462.40

Finding the Fourth Proportional to 2,551,967.77, 3,521,683.03 and 1,390,462.40

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Solution

The fourth proportional to 2,551,967.77, 3,521,683.03 and 1,390,462.40 is: 1,918,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,967.77 : 3,521,683.03 = 1,390,462.40 : x
  2. Step 2: Convert to fraction form
    2,551,967.77/3,521,683.03 = 1,390,462.40/x
  3. Step 3: Cross multiply
    2,551,967.77x = 3,521,683.03 × 1,390,462.40
  4. Step 4: Simplify right side
    2,551,967.77x = 4,896,767,837,933.07
  5. Step 5: Solve for x
    x = 4,896,767,837,933.07/2,551,967.77
  6. Step 6: Final answer
    x = 1,918,820.41

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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.