Home / 3,421,870.71-5,130,965.02-1,371,502.34

Finding the Fourth Proportional to 3,421,870.71, 5,130,965.02 and 1,371,502.34

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Solution

The fourth proportional to 3,421,870.71, 5,130,965.02 and 1,371,502.34 is: 2,056,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,870.71 : 5,130,965.02 = 1,371,502.34 : x
  2. Step 2: Convert to fraction form
    3,421,870.71/5,130,965.02 = 1,371,502.34/x
  3. Step 3: Cross multiply
    3,421,870.71x = 5,130,965.02 × 1,371,502.34
  4. Step 4: Simplify right side
    3,421,870.71x = 7,037,130,535,712.26
  5. Step 5: Solve for x
    x = 7,037,130,535,712.26/3,421,870.71
  6. Step 6: Final answer
    x = 2,056,515.61

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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.