Home / 1,500,875.33-2,069,808.59-1,389,411.23

Finding the Fourth Proportional to 1,500,875.33, 2,069,808.59 and 1,389,411.23

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Solution

The fourth proportional to 1,500,875.33, 2,069,808.59 and 1,389,411.23 is: 1,916,092.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,875.33 : 2,069,808.59 = 1,389,411.23 : x
  2. Step 2: Convert to fraction form
    1,500,875.33/2,069,808.59 = 1,389,411.23/x
  3. Step 3: Cross multiply
    1,500,875.33x = 2,069,808.59 × 1,389,411.23
  4. Step 4: Simplify right side
    1,500,875.33x = 2,875,815,292,020.95
  5. Step 5: Solve for x
    x = 2,875,815,292,020.95/1,500,875.33
  6. Step 6: Final answer
    x = 1,916,092.06

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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.