Home / 1,620,122.80-2,429,017.80-910,368.40

Finding the Fourth Proportional to 1,620,122.80, 2,429,017.80 and 910,368.40

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Solution

The fourth proportional to 1,620,122.80, 2,429,017.80 and 910,368.40 is: 1,364,897.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,122.80 : 2,429,017.80 = 910,368.40 : x
  2. Step 2: Convert to fraction form
    1,620,122.80/2,429,017.80 = 910,368.40/x
  3. Step 3: Cross multiply
    1,620,122.80x = 2,429,017.80 × 910,368.40
  4. Step 4: Simplify right side
    1,620,122.80x = 2,211,301,048,157.52
  5. Step 5: Solve for x
    x = 2,211,301,048,157.52/1,620,122.80
  6. Step 6: Final answer
    x = 1,364,897.18

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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.