Home / 1,938,862.34-2,909,622.02-676,689.98

Finding the Fourth Proportional to 1,938,862.34, 2,909,622.02 and 676,689.98

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Solution

The fourth proportional to 1,938,862.34, 2,909,622.02 and 676,689.98 is: 1,015,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,862.34 : 2,909,622.02 = 676,689.98 : x
  2. Step 2: Convert to fraction form
    1,938,862.34/2,909,622.02 = 676,689.98/x
  3. Step 3: Cross multiply
    1,938,862.34x = 2,909,622.02 × 676,689.98
  4. Step 4: Simplify right side
    1,938,862.34x = 1,968,912,066,521.36
  5. Step 5: Solve for x
    x = 1,968,912,066,521.36/1,938,862.34
  6. Step 6: Final answer
    x = 1,015,498.64

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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.