Home / 1,989,389.34-2,984,966.10-1,042,534.98

Finding the Fourth Proportional to 1,989,389.34, 2,984,966.10 and 1,042,534.98

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Solution

The fourth proportional to 1,989,389.34, 2,984,966.10 and 1,042,534.98 is: 1,564,264.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,389.34 : 2,984,966.10 = 1,042,534.98 : x
  2. Step 2: Convert to fraction form
    1,989,389.34/2,984,966.10 = 1,042,534.98/x
  3. Step 3: Cross multiply
    1,989,389.34x = 2,984,966.10 × 1,042,534.98
  4. Step 4: Simplify right side
    1,989,389.34x = 3,111,931,573,364.18
  5. Step 5: Solve for x
    x = 3,111,931,573,364.18/1,989,389.34
  6. Step 6: Final answer
    x = 1,564,264.73

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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.