Home / 1,500,700.17-2,069,567.13-1,389,235.84

Finding the Fourth Proportional to 1,500,700.17, 2,069,567.13 and 1,389,235.84

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Solution

The fourth proportional to 1,500,700.17, 2,069,567.13 and 1,389,235.84 is: 1,915,850.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,700.17 : 2,069,567.13 = 1,389,235.84 : x
  2. Step 2: Convert to fraction form
    1,500,700.17/2,069,567.13 = 1,389,235.84/x
  3. Step 3: Cross multiply
    1,500,700.17x = 2,069,567.13 × 1,389,235.84
  4. Step 4: Simplify right side
    1,500,700.17x = 2,875,116,830,281.94
  5. Step 5: Solve for x
    x = 2,875,116,830,281.94/1,500,700.17
  6. Step 6: Final answer
    x = 1,915,850.27

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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.